Using O=c1cc(CCl)n(Cc2ccccc2)cc1OCc1ccccc1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCc1cc(=O)c(OCc2ccccc2)cn1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.