Using CCOC(=O)CC(=O)N(c1cc(C(F)(F)F)ccc1C(C)=O)C1CCOCC1 to produce CCOC(=O)c1c(C)c2ccc(C(F)(F)F)cc2n(C2CCOCC2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.