Using COC(=O)c1ccc(Cc2c(C(=O)OC)n(-c3ccccc3)c3cc(Cl)ccc3c2=O)cc1 to produce COC(=O)c1c(Cc2ccc(C(=O)O)cc2)c(=O)c2ccc(Cl)cc2n1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.