Using CC(C)(C)[Si](C)(C)Cl, CC(C)=CCCC1(C)CC(=O)c2cc(O)c(C)c(C)c2O1 to produce CC(C)=CCCC1(C)CC(=O)c2cc(O[Si](C)(C)C(C)(C)C)c(C)c(C)c2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.