Using COC(=O)C1(c2ccccc2[N+](=O)[O-])C(=O)N(C)c2cc3c(cc21)OCCO3 to produce CN1C(=O)C2(C(=O)Nc3ccccc32)c2cc3c(cc21)OCCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.