Am trying to run the program now.
ok feed it these values:
Block Height: 11237
Exact Amount: 1.9998
What wallet address did these coins originally come from?
That's a mixer and not the sender address, right?
KHnWwPymSu15rk3FMwwZWVuCvnZeYPomjS
This is from the client that both sent and received those coins:


I've edited the images purely to hide the random values sent to the mixer, the time variances between the in/out transactions and also highlighted some information for emphasis. I also used a label on the mixer address so nobody (aside from me) has any clue as to the first mixer address to receive the coins.
You can clearly see that the wallet address you gave me to test is not one of mine so as pr0m3theus2013 points out:
That is a mixer.