A 44-year-old female recently diagnosed with acute myeloid leukemia presents with a five-day history of a fever, malaise, and a painful rash approximately three weeks after chemotherapy. Examination reveals erythematous papules on her back, arms, and the dorsum of both hands. A blood test shows an elevated white cell count and a skin biopsy is performed. What is the most likely diagnosis?
A. Drug-induced vasculitis
B. Sweet syndrome
C. Erythema multiforme
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