Using O=C(O)c1ccnc(-n2[nH]cc(-c3cccnc3)c2=O)c1, NCc1ccccc1 to produce O=C(NCc1ccccc1)c1ccnc(-n2[nH]cc(-c3cccnc3)c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.