Using COc1ccc([N+](=O)[O-])c(NS(=O)(=O)c2ccc(OCC(N)=O)c(OCC(N)=O)c2)c1 to produce COc1ccc(N)c(NS(=O)(=O)c2ccc(OCC(N)=O)c(OCC(N)=O)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.