Using O=C1C(N2C(=O)c3ccccc3C2=O)N=C(C2CCCCC2)c2ccccc2N1Cc1ccccn1 to produce NC1N=C(C2CCCCC2)c2ccccc2N(Cc2ccccn2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.