Using O=Cc1ncc(NC(=O)C(c2ccccc2)c2ccccc2)c(O)n1, NO to produce O=C(Nc1cnc(C=NO)nc1O)C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.