Using CCN(CC)CC, Cc1oc2c(NC(=O)c3c(Cl)cccc3Cl)cc(C(=O)O)cc2c1C to produce Cc1oc2c(NC(=O)c3c(Cl)cccc3Cl)cc(C(N)=O)cc2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.