Using CC(C)(C)[Si](C)(C)Cl, O=Cc1cc(Br)ccc1Oc1ccc(CCCO)cc1 to produce CC(C)(C)[Si](C)(C)OCCCc1ccc(Oc2ccc(Br)cc2C=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.