Using CCOC(=O)Cl, COCOc1cccc(CO[Si](C)(C)C(C)(C)C)c1 to produce CCOC(=O)c1c(CO[Si](C)(C)C(C)(C)C)cccc1OCOC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.