Using CCCSc1nc2nc(OC)ccc2c(=O)n1-c1ccc(OCC(F)(F)F)cc1, OCC(F)(F)F to produce COc1ccc2c(=O)n(-c3ccc(OCC(F)(F)F)cc3)c(OCC(F)(F)F)nc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.