Database: medicine_enzyme_interaction
Question: Show the medicine names and trade names that cannot interact with the enzyme with product 'Heme'.
SQL: select name ,  trade_name from medicine except select t1.name ,  t1.trade_name from medicine as t1 join medicine_enzyme_interaction as t2 on t2.medicine_id  =  t1.id join enzyme as t3 on t3.id  =  t2.enzyme_id where t3.product  =  'protoporphyrinogen ix'