Using OB(O)c1c(F)cccc1F, COC(=O)c1sc(-c2c(C)nn3ccccc23)nc1OS(=O)(=O)C(F)(F)F to produce COC(=O)c1sc(-c2c(C)nn3ccccc23)nc1-c1c(F)cccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.