Using OB(O)c1ccc(F)c(F)c1, CC[Si](CC)(CC)OC(C)(C)c1ccn2c(-c3ccnc(Cl)n3)cnc2c1F to produce CC(C)(O)c1ccn2c(-c3ccnc(-c4ccc(F)c(F)c4)n3)cnc2c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.