Using Nc1c(C(=O)c2cccc(C=CS(N)(=O)=O)c2)cnn1-c1ccc(F)cc1 to produce Nc1c(C(=O)c2cccc(CCS(N)(=O)=O)c2)cnn1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.