Using CCOC(=O)c1c(Cl)nc(-c2ccccc2)c([N+](=O)[O-])c1C(=O)OCC, CC(=O)O to produce COC(=O)c1c(OC)nc(-c2ccccc2)c([N+](=O)[O-])c1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.