Using COC(OC)c1cc(OCCCS(=O)c2nccn2-c2ccccc2C)ccc1[N+](=O)[O-] to produce Cc1ccccc1-n1ccnc1S(=O)CCCOc1ccc([N+](=O)[O-])c(C=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.