User: I have a question about the molecule with SMILES O=C(O)CCCN1CCC(O[C@@H](c2ccc(Cl)cc2)c2ccccn2)CC1.O=S(=O)(O)c1ccccc1.
Assistant: That sounds interesting, how can I help?
User: What is the definition of this compound's USAN stem?
Assistant: The answer is antihistaminics (histamine-H1 receptor antagonists)
User: I have a question about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{answ#}
O=C(O)CCCN1CCC(O[C@@H](c2ccc(Cl)cc2)c2ccccn2)CC1.O=S(=O)(O)c1ccccc1
O=C(O)CCCN1CCC(O[C@@H](c2ccc(Cl)cc2)c2ccccn2)CC1.O=S(=O)(O)c1ccccc1
benzenesulfonic acid;4-[4-[(S)-(4-chlorophenyl)-pyridin-2-ylmethoxy]piperidin-1-yl]butanoic acid
What is the definition of this compound's USAN stem?