Using CCOC(C)=O, CCOC(=O)c1cnc2cc(C(F)(F)F)ccc2c1OS(=O)(=O)C(F)(F)F to produce CCOC(=O)c1ccc(-c2c(C(=O)OCC)cnc3cc(C(F)(F)F)ccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.