Using CCOC(=O)c1ccc(-c2ccc(O)c(-c3ccc(NCCC(C)=O)c(C(C)(C)C)c3)c2)cc1, CC(C)(C)[Si](C)(C)OCCCCBr to produce CCOC(=O)c1ccc(-c2ccc(OCCCCO[Si](C)(C)C(C)(C)C)c(-c3ccc(NCCC(C)=O)c(C(C)(C)C)c3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.