[{"from": "human", "value": "Describe this molecule. [C][N+1][Branch1][#C][C][C@@H1][Branch1][#Branch2][C][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][O-1][O][C]"}, {"from": "gpt", "value": "The molecule is an amino-acid betaine that is trans-4-hydroxy-D-proline zwitterion in which both of the hydrogens attached to the nitrogen have been replaced by methyl groups. It has a role as a plant metabolite. It is an amino-acid betaine, a secondary alcohol and a pyrrolidine alkaloid."}]