Using O=C(O)[C@@H]1C[C@@H](O)CN1c1nc(N2CCN(c3ccc(Cl)cc3)CC2)nc2c1S(=O)CC2, CCN(C(C)C)C(C)C to produce NC(=O)[C@@H]1C[C@@H](O)CN1c1nc(N2CCN(c3ccc(Cl)cc3)CC2)nc2c1S(=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.