A 40-year-old male patient presented to the dermatology OPD with complaints of a characteristic rash over the face along with fever, ahralgia and moderate chest pain. Patient gave history of using some drug for 3 months. On examination, there was no CNS involvement. Lab findings revealed normal urine r/m studies and normal RFTs. ANA and anti-histone antibody titres were found to be raised. Which of the following mechanisms is most likely implicated in the above disease: –