Using COC(=O)CN(Cc1ccnc(-c2cc(OC)c(OC)c(OC)c2)c1)S(=O)(=O)c1ccccc1[N+](=O)[O-] to produce COC(=O)CNCc1ccnc(-c2cc(OC)c(OC)c(OC)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.