[{"from": "human", "value": "Describe this molecule. [C][O][C][=C][Branch2][Ring2][Branch1][C][=C][Branch1][=C][C][=C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][C][C][Ring1][Ring1][C][=Branch1][Ring2][=C][Ring1][=N][C][C][=C][N][=C][Branch1][=Branch1][N][=C][Ring1][=Branch1][N][N][O][C]"}, {"from": "gpt", "value": "The molecule is a 5-[(2-cyclopropyl-7,8-dimethoxy-2H-chromen-5-yl)methyl]pyrimidine-2,4-diamine in which the chiral centre has R configuration. It has a role as an EC 1.5.1.3 (dihydrofolate reductase) inhibitor and an antibacterial drug. It is an enantiomer of a (S)-iclaprim."}]