1
~-~!, 191
Not the shortest but there's no entry in this language:
'=~~~:''=~~~~:'''=~~~~~:@~~,'',',':@''',''',''+~:@'',',',':@'',',',':@''',''',''+<''',~~+~>:@'','',~~:@'',~~,<''',~~>+'+'':@''',''',''+<''',~~+~>:@''',''',''+<<'+''>,~~>:@'',',',':@''',''',''
Note it's untested due to the unimp...