Using CCOC(=O)C(C#N)NC(=O)OCc1ccccc1, CCOC(=O)CBr to produce CCOC(=O)CC(C#N)(NC(=O)OCc1ccccc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.