Using C[Si](C)(c1ccccc1)C1CC(=O)c2c(nc3ccccc3c2N)C1, F[B-](F)(F)F to produce C[Si](C)(F)C1CC(=O)c2c(nc3ccccc3c2N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.