Using CCOC(C)=O, Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1COc1ccc(C#N)c(F)c1 to produce COc1cc(OCc2sc(-c3ccc(C(F)(F)F)cc3)nc2C)ccc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.