Using CC(C)(C)[Si](C)(C)Cl, CCC(CC)(c1ccc(O)c(C)c1)c1ccc(-c2ccc(C(=O)OC)o2)c(C)c1 to produce CCC(CC)(c1ccc(O[Si](C)(C)C(C)(C)C)c(C)c1)c1ccc(-c2ccc(C(=O)OC)o2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.