Using CC(=O)Nc1ccc(C(F)(F)F)c(OC[C@H]2CCCN2C(=O)OC(C)(C)C)c1 to produce CC(=O)Nc1ccc(C(F)(F)F)c(OC[C@H]2CCCN2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.