[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][O][C][=Branch1][C][=O][C][=C][Branch2][Ring2][Ring1][N][C][=Branch2][Ring1][=N][=C][Branch2][Ring1][Ring1][C][Ring1][=Branch1][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O][C][C][C]"}, {"from": "gpt", "value": "The molecule is a dihydropyridine that is 1,4-dihydropyridine substituted by methyl groups at positions 2 and 6, a 3-nitrophenyl group at position 4, a ethoxycarbonyl group at position 3 and a methoxycarbonyl group at position 5. It is a calcium-channel blocker used in the treatment of hypertension. It has a role as a calcium channel blocker, an antihypertensive agent, a vasodilator agent and a geroprotector. It is a C-nitro compound, a dihydropyridine, an ethyl ester, a diester, a member of dicarboxylic acids and O-substituted derivatives and a methyl ester."}]