Using CCOC(=O)c1c(B2OC(C)(C)C(C)(C)O2)cn(COCc2ccccc2)c1C=O, Fc1ccccc1CBr to produce CCOC(=O)c1c(Cc2ccccc2F)cn(COCc2ccccc2)c1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.