Using CN1CCN(CCCc2c[nH]c3ccc(-n4cnnc4)cc23)CC1C(=O)NCc1ccccc1 to produce CN1CCN(CCCc2c[nH]c3ccc(-n4cnnc4)cc23)CC1CNCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.