Using CN(C)C=O, CC(C)(C)OC(=O)Nc1ccc(Br)c2ccccc12 to produce CC(C)(C)OC(=O)Nc1ccc(C=O)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.