Using CN(C)C=O, Cc1cc(Br)ccc1CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C to produce Cc1cc(C=O)ccc1CO[Si](c1ccccc1)(c1ccccc1)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.