[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][Branch1][O][NH2+1][C@@H1][Ring1][Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid anion that is the conjugate base of (2S,5S)-5-carboxymethylproline, obtained by deprotonation of the two carboxy groups and protonation of the endocyclic amino group. It is a conjugate base of a (5S)-5-(carboxymethyl)-L-proline."}]