Using COc1ccccc1NN1C(=O)c2[nH]c3cc(Cl)ccc3c(=O)c2C1=O to produce COc1ccccc1-n1nc(O)c2c(=O)c3ccc(Cl)cc3[nH]c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.