A 58-year-old man presents with fever, productive cough and pleuritic chest pain for 3 days. Vital signs: temperature 38.6°C, respiratory rate 24/min, blood pressure 125/75 mm Hg, heart rate 98 beats/min, SpO₂ 95% on room air. He has no major comorbidities. Chest radiograph shows right lower lobe consolidation. Using Canadian CAP guidance, what is the most appropriate empiric outpatient antibiotic regimen?