Using CCOC(=O)CC(=O)C(CC)OC(=O)c1ccc(C(F)(F)F)cc1, [NH4+] to produce CCOC(=O)Cc1nc(-c2ccc(C(F)(F)F)cc2)oc1CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.