[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][N][C][=C][Branch1][=N][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][#Branch1][=O][C][N][C][=N][Ring1][O]"}, {"from": "gpt", "value": "The molecule is an oxopurine that is 1-methyl-7H-xanthine in which the hydrogen attached to the nitrogen at position 3 has been replaced by a propyl group. It has a role as a bronchodilator agent. It is functionally related to a 1-methyl-7H-xanthine and an enprofylline."}]