[{"from": "human", "value": "Describe this molecule. [C][C][C][=N][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an optically active form of 1-piperideine-6-carboxylate having (S)-configuration. It is a conjugate base of a (S)-1-piperideine-6-carboxylic acid."}]