[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][O][C@@H1][C@@H1][Branch2][Ring1][Branch2][S][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Branch1][Branch1][C][Ring1][O][=O][C][C][NH1+1][Branch1][C][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the protonation of the nitrogen of the dimethylaminoethyl substituent of diltiazem. The major species at pH 7.3. It has a role as a histamine agonist, a calcium channel blocker and a vasodilator agent. It is a conjugate acid of a diltiazem. It is an enantiomer of an ent-diltiazem(1+)."}]