Using CC1(C)OB(B2OC(C)(C)C(C)(C)O2)OC1(C)C, Fc1ccc(-n2ncc3c(I)ccnc32)c(Cl)c1 to produce OB(O)c1ccnc2c1cnn2-c1ccc(F)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.