Nope, cocaine is mainly a DARI, with lesser effects on serotonin reuptake and noradrenaline reuptake also.
If your looking to hav fun with caffeine? meh, not going to happen, it just doesn't cause enough dopamine reuptake inhibition to prove euphoric.
Weight for weight, potencies of cocaine and caffeine are not that far apart, but its a case of quality, not quantity,