Using COc1cc(OC(F)(F)F)c2c(c1)C1CN(C(=O)OC(C)(C)C)CCN1C2=O to produce CC(C)(C)OC(=O)N1CCN2C(=O)c3c(OC(F)(F)F)cc(O)cc3C2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.