I'm pretty sure it's a human face with the eyes closed tilted upwards.

Or did I misunderstand the nature of your problem?

Even though the bad resolution of the image won´t let me fully recreate it, I think David is right: It must be a human face.

Good find Taz using just the image...

Biopharmaceutical to be exact:
http://www.onformative.com/work/actelion-imagery-wizard/
originally done with Processing