Using CC(=O)/C=C/C1=C(C)CCCC1(C)C, CO[Si](CCCS)(OC)OC to produce CO[Si](CCCSC(CC(C)=O)C1=C(C)CCCC1(C)C)(OC)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.