[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of the class of phenanthrolines that is 4,7-diphenyl-1,10-phenanthroline carrying two additional sulfo substituents at positions 4' and 4'' It has a role as an iron chelator. It is a member of phenanthrolines and an arenesulfonic acid. It derives from a hydride of a 4,7-diphenyl-1,10-phenanthroline."}, {"from": "gpt", "value": "[C][=C][C][=Branch2][Ring2][=C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Branch1][#C][C][=C][N][=C][Ring1][=Branch1][C][Ring1][#Branch2][=N][C][=C][Ring1][=C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}]