I do know that you're in the US.
JEN-cin would be okay, since it sounds a lot, like the original YEN-séhn. I said it outloud a few times, just so I could actually get a feeling of the JEN-cin sound. So as I said, that would be okay.
And you're not blubbering nonsens, since I understood it perfectly. :-D
~ Charlie Blue
MY DAD: "A firefly just flew down your back. Didn't you get burned?"
THEN ME: "No, it probably turned it's engine off."
~ Me aged 10.