[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1]"}, {"from": "gpt", "value": "The molecule is an optically active form of phenylalaninium having D-configuration. It is a conjugate acid of a D-phenylalanine. It is an enantiomer of a L-phenylalaninium."}]