[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring1][=Branch1][C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][S][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=C][N][Branch1][C][C][C].[Cl]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt of promethazine. It has a role as an antipruritic drug, a H1-receptor antagonist, a local anaesthetic, an antiemetic, a sedative, an anti-allergic agent, an anticoronaviral agent and a geroprotector. It contains a promethazine(1+)."}]