MSFinals-0751

A 55-year-old man with a history of hypercholesterolaemia and psoriasis is admitted to the hospital after experiencing central crushing chest pain. He was diagnosed with a non-ST elevation myocardial infarction (NSTEMI) and received appropriate treatment. While in the hospital, he had a psoriasis flare-up.
Which medication is most likely responsible for the psoriasis flare-up?