[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a amino acid ester that is methyl phenylacetate in which one of the hydrogens alpha to the carbonyl group is replaced by a piperidin-2-yl group. It is a member of piperidines, a methyl ester and a beta-amino acid ester."}, {"from": "gpt", "value": "[C][O][C][=Branch1][C][=O][C][Branch1][=Branch2][C][C][C][C][C][N][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]