Using O=C([O-])[O-], O=C1[C@@H](NS(=O)(=O)c2ccc3cc(Cl)ccc3c2)CCN1NC1CCN(c2ccncc2)CC1 to produce CN(C1CCN(c2ccncc2)CC1)N1CC[C@H](NS(=O)(=O)c2ccc3cc(Cl)ccc3c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.