Using O=C(NC(c1ccccc1)c1ccccc1)c1cnc(-n2cccn2)nc1O, II to produce O=C(NC(c1ccccc1)c1ccccc1)c1cnc(-n2cc(I)cn2)nc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.