User: I have a question about the molecule with SMILES COc1cc2c(cc1OC)CN(CCc1ccc(-n3nnc(-c4cc(OC)c(OC)cc4NC(=O)c4cc(=O)c5ccccc5o4)n3)cc1)CC2.
Assistant: That sounds interesting, how can I help?
User: Which USAN substem can this drug or clinical candidate name be matched with?
Assistant: -dar (-quidar)
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#}
COc1cc2c(cc1OC)CN(CCc1ccc(-n3nnc(-c4cc(OC)c(OC)cc4NC(=O)c4cc(=O)c5ccccc5o4)n3)cc1)CC2
COc1cc2c(cc1OC)CN(CCc1ccc(-n3nnc(-c4cc(OC)c(OC)cc4NC(=O)c4cc(=O)c5ccccc5o4)n3)cc1)CC2
N-[2-[2-[4-[2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)ethyl]phenyl]tetrazol-5-yl]-4,5-dimethoxyphenyl]-4-oxochromene-2-carboxamide
Which USAN substem can this drug or clinical candidate name be matched with?