[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a dicarboxylic acid monoester that is the monomethyl ester of protoporphyrin. It is a dicarboxylic acid monoester and a member of protoporphyrins. It is functionally related to a protoporphyrin."}, {"from": "gpt", "value": "[C][C][=C][Branch2][=Branch1][=Branch2][C][=C][C][=N][C][=Branch2][Ring2][P][=C][C][=N][C][=Branch2][Ring1][N][=C][C][=C][Branch2][Ring1][Branch1][C][=Branch1][S][=C][Branch1][Ring2][N][Ring1][Branch1][C][=C][Ring2][Ring1][Ring1][N][Ring2][Ring1][C][C][=C][C][C][=Branch1][O][=C][Ring1][P][C][C][C][=Branch1][C][=O][O][C][C][=Branch1][=Branch1][=C][Ring2][Ring1][=N][C][C][C][C][=Branch1][C][=O][O][C][C][=C]"}]