Using O=C(O)c1c[nH]c2ccc(NCc3ccccc3)nc2c1=O, CCCCN to produce CCCCNC(=O)c1c[nH]c2ccc(NCc3ccccc3)nc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.