Using COC(=O)CCCOc1cc([N+](=O)[O-])c(C(C)O)cc1OC to produce COc1cc(C(C)O)c([N+](=O)[O-])cc1OCCCC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.