A 38-year-old man presents to the emergency department with a known diagnosis of sigmoid colon cancer, which has widely metastasized to the liver. His vital signs show a heart rate of 112 beats per minute and blood pressure of 143/72 mmHg. He has diffuse peritonitis. He is currently being treated with bevacizumab. In the operating room, he is found to have a perforation of the sigmoid colon, with a large volume of pneumoperitoneum and with purulent contamination in the left lower quadrant. What is the best surgical option for this patient?