Using COC(=O)C(C/C=C/c1ccc(C2(O)CCOCC2)cc1)NC(=O)c1c(Cl)cccc1Cl to produce O=C(NC(C/C=C/c1ccc(C2(O)CCOCC2)cc1)C(=O)O)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.