[{"from": "human", "value": "Describe this molecule. [C][C][C][=C][C][N][C][=Branch2][Ring1][Branch2][=C][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][O][C][=Branch1][C][=O][C@@][Ring1][=Branch2][Branch1][Ring1][C][C][O][C][Ring2][Ring1][C][=N][C][=C][Ring2][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][NH1+1][C][C][C][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an organic cation obtained by protonation of the tertiary amino group of irinotecan. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an irinotecan."}]