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