Using CCOC(=O)C(C)N, O=S(=O)(Cl)c1cc(-c2ncc(C(F)(F)F)cc2Cl)ccc1Cl to produce CCOC(=O)C(C)NS(=O)(=O)c1cc(-c2ncc(C(F)(F)F)cc2Cl)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.