Using CC(C)(C)[Si](C)(C)O[C@@H]1c2ccc(-c3noc(-c4onc(-c5ccccc5)c4C(F)(F)F)n3)cc2OC[C@@H]1N, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CN[C@H]1COc2cc(-c3noc(-c4onc(-c5ccccc5)c4C(F)(F)F)n3)ccc2[C@H]1O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.