Unknown

A 50-year-old female patient presented with swelling of the right jaw. The swelling was painless and covered with exudate. She also gave a history of trauma to the same area. The pus was sent for culture. On macroscopic examination, a Sulphur granule was found in the exudate. The gram stain of the exudate is given below. What is the drug of choice of the above condition: -