Using Cc1c(I)sc2c(N3CCOCC3)nc(Cl)nc12, OB(O)c1ccc(F)nc1 to produce Cc1c(-c2ccc(F)nc2)sc2c(N3CCOCC3)nc(Cl)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.