Using CC(C)OB(OC(C)C)OC(C)C, Fc1c(I)ccc(OCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)F)c1F to produce OB(O)c1ccc(OCCCCC(F)(F)C(F)(F)C(F)(F)C(F)(F)F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.