Pаtient: 28-yeаr-оld femаleChief Cоmplaint: “I feel exhausted and can’t fоcus.”History of Present Illness:The patient reports a 3-week period of depressed mood, low energy, hypersomnia, poor concentration, and feelings of worthlessness. She reports suicidal ideation with no plan/intent and acknowledges a prior suicide attempt "a very long time ago". She reports a desire to get back to her "productive self" when she has more energy despite a little less sleep and can easily generate ideas though she admits she has difficulty with follow through. She report these periods of productivity occur sporadically and last about a week. She denies psychotic symptoms. These episodes never cause severe impairment or hospitalization. Medical History: Unremarkable. Substance Use: Occasional alcohol, no illicit drugs.Family History: Mother with recurrent and severe depression; paternal uncle with “mood swings.” Mental Status Exam: Appearance: Appropriately dressed, tired-looking Speech: Slow, soft Mood: “Down” Affect: Constricted Thought Process: Logical No hallucinations or delusions Insight: Fair Which of the following is the most appropriate first-line medication for this patient?