Using CC(F)(F)c1ccc(CC2NC(=O)OC2c2ccc(F)cc2)cc1 to produce CC(F)(F)c1ccc(CC(N)C(O)c2ccc(F)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.