[{"from": "human", "value": "Provide a description of this molecule. [C][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an L-proline derivative obtained by replacement of the amino hydrogen by a methyl group. It has a role as a plant metabolite and a human metabolite. It is a L-proline derivative and a tertiary amino compound. It is a tautomer of a N-methylproline zwitterion."}]