[{"from": "human", "value": "Provide a description of this molecule. [C][NH2+1][C][C][=C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is an organic cation obtained by protonation of the secondary amino function of 3-(methylaminomethyl)indole; major species at pH 7.3. It is an ammonium ion derivative and an organic cation."}]