Using CC(C)(C)[Si](C)(C)Cl, COc1cc(O)c2c(=O)oc(CC#N)cc2c1 to produce COc1cc(O[Si](C)(C)C(C)(C)C)c2c(=O)oc(CC#N)cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.