[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][NH2+1][C]"}, {"from": "gpt", "value": "The molecule is an organic cation obtained by protonation of the secondary amino function of methamphetamine. It is a conjugate acid of a methamphetamine."}]