Hi Pauli, well since the coke is the stimulant for a cigarette, the coke is the real issue. Don't keep any in the house and when you get a hankering reach for the water which will flush the nicotine and need for caffeine out of your system quicker, making it easier to resist.
Hope this help. TgrsPurr.

P.S. Remember, it always comes down to a choice, choose not to give in.