User: I have a question about the chemical with SMILES C[NH+](C)[C@@H]1C(=O)C(C(N)=O)=C([O-])[C@@]2(O)C(=O)C3=C(O)c4c(O)cccc4[C@@](C)(O)[C@H]3[C@H](O)[C@@H]12.
Assistant: How can I help?
User: Please describe this drug.
Assistant: Oxytetracycline zwitterion is a zwitterion obtained by transfer of a proton from the 2-hydroxy group to the adjacent tertiary amino group of oxytetracycline; major species at pH 7.3. It is a zwitterion and an a tetracycline zwitterion. It is a tautomer of an oxytetracycline.
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#}
C[NH+](C)[C@@H]1C(=O)C(C(N)=O)=C([O-])[C@@]2(O)C(=O)C3=C(O)c4c(O)cccc4[C@@](C)(O)[C@H]3[C@H](O)[C@@H]12
C[C@@]1([C@H]2[C@@H]([C@H]3[C@@H](C(=O)C(=C([C@]3(C(=O)C2=C(C4=C1C=CC=C4O)O)O)[O-])C(=O)N)[NH+](C)C)O)O
(4S,4aR,5S,5aR,6S,12aR)-2-carbamoyl-4-(dimethylazaniumyl)-5,6,10,11,12a-pentahydroxy-6-methyl-3,12-dioxo-4,4a,5,5a-tetrahydrotetracen-1-olate
Please describe this drug.