Using O=C(CCl)Nc1ccc(Oc2ccc3c(c2)CCC(c2ccccc2)O3)nc1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCC(=O)Nc1ccc(Oc2ccc3c(c2)CCC(c2ccccc2)O3)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.