Using NC(N)=S, Cc1cccc(C(=O)C(Br)c2ccc3ncccc3c2)n1 to produce Cc1cccc(-c2nc(N)sc2-c2ccc3ncccc3c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.