Using CN(C)C=O, CC(C)c1cc(O[Si](C)(C)C(C)(C)C)ccc1Br to produce CC(C)c1cc(O[Si](C)(C)C(C)(C)C)ccc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.