Using CC(C)c1ccccc1Br, O=C1Nc2ccc(Cl)cc2C1=O to produce CC(C)c1ccccc1C1(O)C(=O)Nc2ccc(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.