Using CNS(=O)(=O)CCc1ccc2[nH]cc(C3CCN(C)CC3)c2c1, CI to produce CN1CCC(c2c[nH]c3ccc(CCS(=O)(=O)N(C)C)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.