[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][Branch2][Ring1][C][C][=C][Branch1][Ring2][N][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch1][=O][N][C][=Branch1][C][=N][N]"}, {"from": "gpt", "value": "The molecule is a pyrrolopyrimidine that is 7-deazaguanine bearing a carboxamidine substituent at the 7 position. It is a pyrrolopyrimidine and a carboxamidine. It is functionally related to a 7-carboxy-7-deazaguanine. It is a conjugate base of a 7-formamidino-7-deazaguanine(1+)."}]