Moth Ball Smell on New Jacket?

My daughter bought a jean jacket at Kohl's a couple of weeks ago. A few days later she removed the tags and went to put it on while noticing a strange smell like moth balls. So she figured she would wash it, but that didn't help so she washed it 3 more times, but still nothing. She remembered that putting something in the sun outside would do the trick, but it's been outside in rain and shine and it still stinks.

What she really should have done is return it right away, but she didn't stick her nose in the jacket at the store and when she noticed at home after several washings it's too late. I went to her house and smelled it myself and it still smells like moth balls. What should she have done or what can still be done? Thanks. How in the world did this happen from a Kohl's store?

By Bonnie H