Using O=C(O)Cc1c(F)cccc1Cl, C[C@@H]1N[C@@H](CO[Si](C)(C)C(C)(C)C)Cc2c(Br)cccc21 to produce C[C@H]1c2cccc(Br)c2C[C@H](CO[Si](C)(C)C(C)(C)C)N1C(=O)Cc1c(F)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.