[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an organosulfonate oxoanion that is the conjugate base of nuclear fast red free acid, obtained by deprotonation of the sulfo group. It is a conjugate base of a nuclear fast red free acid."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][Branch2][=O][C][=Branch2][Ring1][Ring2][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][Branch2][N][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O]"}]