Using O=C(Nc1cccnc1)c1cnc(OCC(F)(F)F)c(C2=CCCCC2)c1 to produce O=C(Nc1cccnc1)c1cnc(OCC(F)(F)F)c(C2CCCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.