Using CC(C)(C)c1csc(CBr)n1, COc1ccc(O)c(C=O)c1 to produce COc1ccc(OCc2nc(C(C)(C)C)cs2)c(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.