[{"from": "human", "value": "Describe this molecule. [C][C][C][NH2+1][C][C][Ring1][=Branch1][C][=C][C][=N][C][=C][N][=C][Ring1][=Branch1][C][=C][Ring1][#C][Ring1][#Branch2]"}, {"from": "gpt", "value": "The molecule is an organic cation obtained by protonation of the secondary amino group of varenicline. It is an organic cation and an ammonium ion derivative. It is a conjugate acid of a varenicline."}]