Using O=C(O)c1ccccc1, CNC1CCN(c2ncnc3[nH]ccc23)CC1 to produce CN(C(=O)c1ccccc1)C1CCN(c2ncnc3[nH]ccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.