[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an organosulfonate oxoanion that is the conjugate base of pyrocatechol sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3. It has a role as a xenobiotic. It is a conjugate base of a pyrocatechol sulfate."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}]