Using COC(=O)C(C)(C)Br, CCCc1c(Cc2ccc(-c3ccccc3C#N)cc2)c(=O)n(-c2ccc(O)cc2)c2ncnn12 to produce CCCc1c(Cc2ccc(-c3ccccc3C#N)cc2)c(=O)n(-c2ccc(OC(C)(C)C(=O)OC)cc2)c2ncnn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.