[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a phenolate anion obtained by deprotonation of one of the two phenolic hydroxy groups of xanthoaphin. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a xanthoaphin."}, {"from": "gpt", "value": "[C][C@@H1][C@@H1][C][=C][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][C][=Branch2][=Branch1][=Branch1][=C][C][=Branch1][C][=O][C][C@][Branch2][Branch1][O][C][=C][C][=C][Branch1][S][C@H1][Branch1][N][O][C@@H1][Branch1][#Branch1][C@H1][Ring1][=Branch1][O][Ring1][#Branch2][C][C][C][=Branch2][Ring1][P][=C][C][Ring1][=N][=C][Branch1][O][C][Ring2][Ring1][O][=C][Ring2][Ring1][=Branch1][Ring1][P][C@@][Branch1][Branch1][O][Ring2][Ring1][#C][Branch1][=Branch1][C][C][Ring1][=Branch2][=O][O][O-1][O][O]"}]