A 36-year-old patient developed an attack of acute arthritis in the metatarsophalangeal joint of the right foot after drinking alcohol and eating fatty food the night before. Objectively, the first toe of the right foot is edematous, the skin there is cyanotic and hot to the touch. Complete blood count: leukocytes - 12 - 10°/L. left shift, ESR- 42 mm/hour. What drug should be prescribed first in this case?