how to parse "as suggested is your best option"

Consider the following sentence:

As suggested is your best option.

In case the sentence is difficult to understand, consider a context as follows:

Although further opportunities may arise later, I think, for now, as suggested is your best option.

The structure seems natural, at least to me, even if uncommon, but also poses a question I find challenging.

If the sentence is accepted, then it seems to follow that the phrase "as suggested" functions as a noun. Is this inference correct?

If so, which rule or principle of grammar directly would support this function? Otherwise, how does the phrase integrate successfully with the overall structure of the sentence?

Solution 1:

As suggested is a fronting adverbial phrase, = in the manner that was previously described to you.

The subject is “the best way [to do it]”

Subject - verb inversion can occur (mainly with to be) after a fronting adverbial: e.g.

“At the back of the house is a pond.”

(And more poetically, “Long was the road, but dearly did I love her.” though this form is now rare save for a few locative adverbs "There are lions in Africa.")

To Add - there is nothing wrong with As suggested is your best option save for the lack of context.

A: "I've got to smash up this pane of glass but I don't want to be injured. What should I do?"

B: "Wrap it in cloth and hit it with a hammer."

A: "C, what do you think I should do?"

C: "As suggested is your best option."