[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][=Branch1][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a benzyl ester obtained by the formal condensation of the carboxy group of 2-methylacetoacetic acid with the hydroxy group of benzyl alcohol. It is a fatty acid ester, a beta-ketoester, a methyl ketone and a benzyl ester. It is functionally related to a 2-methylacetoacetic acid."}]