[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an aryl phosphate resulting from the formal condensation of phosphonic acid with 1 mol eq. each of phenol and 4-nitrophenol. It has a role as a chromogenic compound. It is functionally related to a phenol and a 4-nitrophenol."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][P+1][=Branch1][C][=O][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}]