Using O=C1CCc2cc(-c3ccc(C(F)(F)F)cc3)ccc2N1, C=CC(=O)OCC to produce CCOC(=O)CCN1C(=O)CCc2cc(-c3ccc(C(F)(F)F)cc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.