Using COC(=O)c1ccc(Oc2ccc(CCN(C[C@H](O)c3cccc(Cl)c3)C(=O)OC(C)(C)C)cc2)cc1 to produce O=C(O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.