Using CS(=O)(=O)Nc1ccc(-c2ccc(NN)nn2)cc1, O=C(O)Cc1ccc(Cl)cc1 to produce CS(=O)(=O)Nc1ccc(-c2ccc(NNC(=O)Cc3ccc(Cl)cc3)nn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.