Using CCCCc1nc(C)n(-c2ccc(O)cc2)c(=O)c1Cc1ccc(-c2ccccc2C#N)cc1, CCOC(=O)C(C)(C)Br to produce CCCCc1nc(C)n(-c2ccc(OC(C)(C)C(=O)OCC)cc2)c(=O)c1Cc1ccc(-c2ccccc2C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.