[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][=C][/C][=C][/C][=Branch2][=Branch1][S][=C][C][=Branch1][C][=O][C@@H1][Branch2][Branch1][P][C][=Branch1][#Branch1][=C][Ring1][=Branch1][N][\\-Ring1][=Branch2][C][=N][/C][=Branch2][Ring2][Ring1][=C][\\C][=N][C][Branch2][Ring1][Ring1][C][Branch1][Ring2][O][Ring1][Ring1][C][=Branch1][=Branch1][=C][Ring2][Ring1][#Branch1][C][N][Ring2][Ring1][Branch2][C][=Branch1][Branch1][=C][Ring1][O][C][C][=C][/C@H1][Branch1][N][C@@H1][Ring2][Ring1][Ring2][C][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of pheophorbides obtained by formal epoxidation of pheophorbide a. It is a pheophorbide and an epoxide. It is functionally related to a pheophorbide a. It is a conjugate acid of an epoxypheophorbide a(1-)."}]