Using CC(C)(C)[Si](C)(C)Oc1ccc(C2CCC(CO)CC2)c(O[Si](C)(C)C(C)(C)C)c1, CCC(=O)Cl to produce CCC(=O)OCC1CCC(c2ccc(O[Si](C)(C)C(C)(C)C)cc2O[Si](C)(C)C(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.