Sodium phenoxide when heated with $$C{O_2}$$ under pressure at $${125^ \circ }C$$ yields a product which on acetylation products $$C.$$



The major product $$C$$ would be

In the reaction,

the product C is:

In the given transformation, which of the following is the most appropriate reagent ?

Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is