Using CCOC(=O)C(CC(C)C)c1cc([N+](=O)[O-])c(O)c(C(F)(F)F)c1, OCC1CC1 to produce CCOC(=O)C(CC(C)C)c1cc([N+](=O)[O-])c(OCC2CC2)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.