Using Brc1cccc(-c2ccccn2)n1, c1ccc(-c2cscc2-c2ccccc2)cc1 to produce c1ccc(-c2csc(-c3cccc(-c4ccccn4)n3)c2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.