Using COc1ccc(C2OC(=O)NC2Cc2ccc(C(F)(F)F)cc2)cc1 to produce COc1ccc(C(O)C(N)Cc2ccc(C(F)(F)F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.