Using CC(C)(C)[Si](C)(C)Oc1ccc(CCC(=O)c2ccccc2)cc1, COC(=O)CC(C)=O to produce O=C1C=C(O)CC(CCc2ccc(O)cc2)(c2ccccc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.