Using COC(=O)CN(CCC(=O)OC(C)(C)C)c1ccc(C(F)(F)F)c(Cl)c1 to produce CC(C)(C)OC(=O)CCN(CCO)c1ccc(C(F)(F)F)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.