Using CN(C)C=O, CC(C)[Si](C(C)C)(C(C)C)n1ccc(Br)c1 to produce CC(C)[Si](C(C)C)(C(C)C)n1ccc(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.