Using CC(C)(C)[Si](OCC[C@@H]1OCCc2cc(Br)ccc21)(c1ccccc1)c1ccccc1, CN(C)C=O to produce CC(C)(C)[Si](OCC[C@@H]1OCCc2cc(C=O)ccc21)(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.