Using C=CCOC(=O)[C@H](CO)NC(=O)OC(C)(C)C, O=C(CCCCCNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])ON1C(=O)CCC1=O to produce C=CCOC(=O)[C@H](CO)NC(=O)CCCCCNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.