Using CC(C)(C)[Si](C)(C)OC1CCn2c1cc1cc(Br)ccc12, CCCC(=O)N(C)OC to produce CCCC(=O)c1ccc2c(c1)cc1n2CCC1O[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.