Using CC(C)(C)OC(=O)C(C)(C)Sc1nc(CC(=O)O)cs1, Nc1ccc(Br)cn1 to produce CC(C)(C)OC(=O)C(C)(C)Sc1nc(CC(=O)Nc2ccc(Br)cn2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.