Using O=C(O)C(F)(F)F, CC(C)(C)OC(=O)CCc1cc(N)ccc1O to produce CC(C)(C)OC(=O)CCc1cc(NC(=O)C(F)(F)F)ccc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.