A 45-year-old previously healthy man presents with fever, productive cough and pleuritic chest pain. Chest radiograph shows right lower-lobe consolidation. He has no comorbidities and is not immunocompromised. Vital signs are stable, and CURB-65 score is 0. According to Canadian community-acquired pneumonia guidance, which empiric oral antibiotic regimen is most appropriate for outpatient management?