Using CC(C)[Si](S)(C(C)C)C(C)C, Cc1c(Br)cccc1-n1nnn(C)c1=O to produce Cc1c(S[Si](C(C)C)(C(C)C)C(C)C)cccc1-n1nnn(C)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.