User: I have a question about the chemical with SMILES O=C1CCc2c(Oc3ccc4c(c3)[C@@H]3[C@H](O4)[C@H]3c3nc4cc(C(F)(F)F)ccc4[nH]3)ccnc2N1.
Assistant: Sure, what is your question?
User: Which USAN substem can this drug or clinical candidate name be matched with?
Assistant: -rafenib
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=C1CCc2c(Oc3ccc4c(c3)[C@@H]3[C@H](O4)[C@H]3c3nc4cc(C(F)(F)F)ccc4[nH]3)ccnc2N1
O=C1CCc2c(Oc3ccc4c(c3)[C@@H]3[C@H](O4)[C@H]3c3nc4cc(C(F)(F)F)ccc4[nH]3)ccnc2N1
5-[[(1R,1aS,6bR)-1-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]-1a,6b-dihydro-1H-cyclopropa[b][1]benzofuran-5-yl]oxy]-3,4-dihydro-1H-1,8-naphthyridin-2-one
Which USAN substem can this drug or clinical candidate name be matched with?
-rafenib