Using CC(C)(C)OC(=O)NC[C@@H]1CCN(c2nc(-c3ccc(N4CCOCC4)cc3)cc3nccnc23)C1, CI to produce CN(C[C@@H]1CCN(c2nc(-c3ccc(N4CCOCC4)cc3)cc3nccnc23)C1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.