A 20-year-old man complains of headache, general weakness, and face edema that appears in the morning. Eighteen days earlier he had a case of acute pharyngitis. Objectively, his skin is pale, edema is observed under his eyes. Heart rate - 60/min, blood pressure - 185/100 mm Hg. The sign of costovertebral angle tenderness (percussion test in the lumbar region) is negative on both sides. Urinalysis shows the following color - dirty-red, protein - 4.5 L, altered erythrocytes 40-45 in sight, leukocytes - 5-6 in sight. 24-hour diuresis is 400 mL. What is the most likely diagnosis in this case?