[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an ammonium ion that is acridine half-mustard in which both of the secondary amino groups have been protonated. It is a conjugate acid of an acridine half-mustard."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch2][Ring1][=Branch1][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][N][=C][Ring1][O][C][=C][Ring1][#C][NH2+1][C][C][C][NH2+1][C][C][Cl]"}]