[{"from": "human", "value": "What can you tell me about this molecule? [C][C][O][C][=Branch1][C][=O][C@H1][Branch1][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][NH2+1][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C@H1][Ring1][#Branch2][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the protonation of the secondary amino group of quinapril. It is a conjugate acid of a Phrymarolin I."}]