Using [NH4+], CCOC(=O)C(C(C)=O)N(C(=O)c1ccc(OC(F)(F)F)cc1)C1CC1 to produce CCOC(=O)c1c(C)nc(-c2ccc(OC(F)(F)F)cc2)n1C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.