Using CC(C)(C)[Si](C)(C)Cl, COc1ccc(C[C@H](C[C@H](O)[C@H](CC2CCCCC2)NC(=O)OC(C)(C)C)C(=O)O)c(OC)c1OC to produce COc1ccc(C[C@H](C[C@H](O[Si](C)(C)C(C)(C)C)[C@H](CC2CCCCC2)NC(=O)OC(C)(C)C)C(=O)O)c(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.