Using COC(OC)OC, O=C1CCN(c2ccc([N+](=O)[O-])cc2F)CC1F to produce COC1(OC)CCN(c2ccc([N+](=O)[O-])cc2F)CC1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.