What is the Class IC flammable liquid with the highest no-observed-adverse-effect level whose instance of is Class IC flammable liquid ?
select ?ent where { ?ent wdt:P31 wd:Q21009056 . ?ent wdt:P2717 ?obj . ?ent wdt:P31 wd:Q21009056 } ORDER BY DESC(?obj)LIMIT 5 
class ic flammable liquid: Q21009056 class ic flammable liquid: Q21009056