Using CN(C)C=O, CN1CCN(C(=O)c2cc3ccccc3[nH]2)CC1 to produce CN1CCN(C(=O)c2[nH]c3ccccc3c2C=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.