Using COC(=O)c1cc2c(OCC(N)=O)c(OC)ccc2n1Cc1ccc(Cl)c(Cl)c1 to produce COc1ccc2c(cc(C(=O)O)n2Cc2ccc(Cl)c(Cl)c2)c1OCC(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.