Using COC(=O)CC1=CN(C(=O)c2cc(OC)c(OCc3ccccc3)cc2[N+](=O)[O-])[C@H](CO)C1 to produce COC(=O)CC1=CN(C(=O)c2cc(OC)c(OCc3ccccc3)cc2N)[C@H](CO)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.