If it qualifies as a QCD qualified charitable contribution it won't be included as taxable income in the first place so you can't deduct it again. But you still have to enter the 1099R for it.
How to enter a QCD. You will get a 1099R for it. See this old answer. Sorry the screen shots didn't come over from the old forum.
https://ttlc.intuit.com/community/tax-credits-deductions/discussion/how-do-i-enter-a-stock-donation-...
