Using COc1cc(NC(=O)C(F)(F)F)cc(OC)c1, CC(=O)Cl to produce COc1cc(NC(=O)C(F)(F)F)cc(OC)c1C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.