A 45-year-old otherwise healthy man presents with 3 days of fever, productive cough with rusty sputum and pleuritic chest pain. Vital signs: T 38.4°C, BP 122/70 mmHg, HR 96 bpm, RR 20, SpO₂ 95% on room air. Chest examination reveals right lower lobe crackles; CXR confirms lobar consolidation. CURB-65 score is 0. According to Canadian CAP guidance, what is the most appropriate empiric outpatient antibiotic regimen?