Using O=C1NC(=O)C(=Cc2cc(OCCCOC3CCCCO3)ccc2[N+](=O)[O-])N1 to produce O=c1[nH]c2cc3cc(OCCCO)ccc3nc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.