Using CCOC(=O)C(NC(C)=O)C(=O)OCC, BrC(c1ccccc1)c1ccccc1 to produce CCOC(=O)C(NC(C)=O)(C(=O)OCC)C(c1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.