Using Cc1ccc2nc(N3CCS(=O)(=O)c4ccccc4C3)cc(Cl)c2c1, NC1CCCNC1 to produce Cc1ccc2nc(N3CCS(=O)(=O)c4ccccc4C3)cc(N3CCCC(N)C3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.