Using CN1C(=O)N(c2ccc(Cl)cc2)S(=O)(=O)c2ccc(OCCN3C(=O)c4ccccc4C3=O)cc21 to produce CN1CN(c2ccc(Cl)cc2)Sc2ccc(OCCN)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.