[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][Branch2][Ring2][#C][C@H1][Branch2][Ring1][N][C][=Branch1][Branch2][=C][Branch1][Ring2][N][Ring1][=Branch1][C][P][=Branch1][C][=O][O][C][C][Branch1][Branch1][C][O][Ring1][#Branch1][Branch1][C][C][C][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O][C][C][N][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a 2-[benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate that has (R)-configuration. It is a selective blocker of T-type Ca(2+) channels. It has a role as a calcium channel blocker. It is an enantiomer of a (S)-efonidipine."}]