Using COC(=O)CC(=O)Nc1cc(C)c(Oc2ccc3[nH]cc(C(C)C)c3c2)c(Cl)c1 to produce Cc1cc(NC(=O)CC(=O)O)cc(Cl)c1Oc1ccc2[nH]cc(C(C)C)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.