Using CCOC(=O)c1ccc(NS(=O)(=O)c2ccc(F)c3nsnc23)cc1 to produce CCOC(=O)c1ccc(NS(=O)(=O)c2ccc(F)c(N)c2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.