Using CCCc1c(O[Si](C)(C)C(C)(C)C)c(C)c2c(c1O[Si](C)(C)C(C)(C)C)CSC[C@@H](C(=O)OC)NC(=O)[C@@H](NC(=O)OC(C)(C)C)COC2=O to produce CCCc1c(O)c(C)c2c(c1O)CSC[C@@H](C(=O)OC)NC(=O)[C@@H](NC(=O)OC(C)(C)C)COC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.