[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=N][C][=C][Branch1][#C][N][=C][Branch1][#Branch2][N][=C][Ring1][=Branch1][N][=C][Ring1][#Branch2][N][N][N]"}, {"from": "gpt", "value": "The molecule is pteridine substituted at positions 2, 4 and 7 with amino groups and at position 6 with a phenyl group. A sodium channel blocker, it is used as a diuretic in the treatment of hypertension and oedema. It has a role as a diuretic and a sodium channel blocker."}]