Using CC(=O)O, CC1(C)CCC(C)(C)c2cc(CCCO[Si](C)(C)C(C)(C)C)c(C#N)cc21 to produce CC1(C)CCC(C)(C)c2cc(CCCO[Si](C)(C)C(C)(C)C)c(C=O)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.