[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an organic sodium salt resulting from the formal condensation of Pontamine sky blue 5B (acid form) with four equivalents of sodium hydroxide. It has a role as a histological dye, a fluorochrome and a carcinogenic agent. It contains a Pontamine sky blue 5B(4-)."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][=Branch1][C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=Branch2][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=C][Branch1][P][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][N][O][O][C][N][=N][C][=C][Branch2][Ring2][Ring1][C][=C][Branch2][Ring1][=N][C][=C][Branch1][P][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1][N][O].[Na+1].[Na+1].[Na+1].[Na+1]"}]