Using CCOC(=O)COc1ccc(O)cc1C, CC(C)(C)[Si](C)(C)OCC(O)c1cccc(Br)n1 to produce CCOC(=O)COc1ccc(OC(CO[Si](C)(C)C(C)(C)C)c2cccc(Br)n2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.