Using NO, CCc1cc(C(C)=O)c(O)cc1OCCCCCC(C)(C)C(=O)O to produce CCc1cc(C(C)=NO)c(O)cc1OCCCCCC(C)(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.