Using COCCOCCOCCO, O=[N+]([O-])c1ccc(-c2nc3ccccc3s2)c(O)c1 to produce COCCOCCOCCOc1cc([N+](=O)[O-])ccc1-c1nc2ccccc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.