Using CSc1ccc(Br)cc1, COC(=O)C(C)(C)O[Si](C)(C)C to produce CSc1ccc(C(=O)C(C)(C)O[Si](C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.