Using CCOC(=O)CCCOc1ccc(-c2ccc(C#N)cc2)cc1, CC(C)(C)OC(=O)CBr to produce CCOC(=O)C(CCOc1ccc(-c2ccc(C#N)cc2)cc1)CC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.