Combine first 3 ingredients in a large zip-top plastic bag. Add chicken to bag; seal. Marinate in refrigerator 1 1/2 hours, turning bag occasionally.
Preheat oven to 400°.
Combine panko, flaked coconut, salt, and black pepper in a shallow dish. Remove chicken from marinade; discard marinade. Dredge chicken, 1 piece at a time, in panko mixture. Place chicken on a baking sheet lined with parchment paper. Lightly coat chicken with cooking spray. Bake at 400° for 30 minutes or until golden brown. Carefully turn chicken over; bake an additional 30 minutes or until done.
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