[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][O][C][=Branch1][C][=O][C][Branch2][Ring1][#Branch1][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a piperidinecarboxylate ester that is the ethyl ester of isonipecotic acid in which the hydrogen alpha- to the carboxyl group is substituted by a phenyl group, and the hydrogen attached to the nitrogen is substituted by a 2-(4-aminophenyl)ethyl group. It has a role as an opioid analgesic and an opioid receptor agonist. It is a piperidinecarboxylate ester, a substituted aniline and an ethyl ester. It is functionally related to a N-[2-(4-aminophenyl)ethyl]-4-phenylisonipecotic acid. It is a conjugate base of an anileridine(2+)."}]