Using Cc1c(C#N)c(NC(=O)C(C)(C)C)c(O)c(Br)c1C=Cc1ccccc1 to produce Cc1c(C=Cc2ccccc2)c(Br)c2oc(C(C)(C)C)nc2c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.