[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][Branch1][Ring2][C][Ring1][=Branch1][Branch1][=C][C][C][Branch1][Ring2][C][Ring1][#Branch1][Branch1][Ring2][C][Ring1][#Branch2][N][C].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride obtained by reaction of memantine with one equivalent of hydrochloric acid. A low to moderate affinity uncompetitive (open-channel); NMDA receptor antagonist which binds preferentially to the NMDA receptor-operated cation channels. It has a role as an antidepressant, an antiparkinson drug, a dopaminergic agent, a neuroprotective agent and a NMDA receptor antagonist. It contains a memantinium(1+)."}]