Using C=CC(=O)OCCCCCCC, CC([N+](=O)[O-])[N+](=O)[O-] to produce CCCCCCCOC(=O)CCC(C)([N+](=O)[O-])[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.