[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][Branch1][C][C][C][C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][#C]"}, {"from": "gpt", "value": "The molecule is 5-Methylidene-5H-dibenzo[a,d]cycloheptene in which one of the hydrogens of the methylidene group is substituted by a 2-(dimethylamino)ethyl group. A centrally acting skeletal muscle relaxant, it is used as its hydrochloride salt in the symptomatic treatment of painful muscle spasm. It has a role as a muscle relaxant, a tranquilizing drug and an antidepressant. It derives from a hydride of a dibenzo[a,d][7]annulene."}]