Using CN(C)C=O, CN(Cc1cc(-c2ccccc2)n(S(=O)(=O)c2cncc(Br)c2)c1)C(=O)OC(C)(C)C to produce CNCc1cc(-c2ccccc2)n(S(=O)(=O)c2cncc(C#N)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.