Using CN(C)CCn1cc(-c2ccc(Cl)cc2)nc1C1CCN(C(=O)OC(C)(C)C)CC1 to produce CN(C)CCn1cc(-c2ccc(Cl)cc2)nc1C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.