Using CC(C)N1C(=O)NC(C)(c2ccccc2)C1=O, COC(=O)CBr to produce COC(=O)CN1C(=O)N(C(C)C)C(=O)C1(C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.