Using O=C(O)Cn1cnnn1, Cc1cc2nc(-c3n[nH]cc3N)[nH]c2cc1C to produce Cc1cc2nc(-c3n[nH]cc3NC(=O)Cn3cnnn3)[nH]c2cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.