A newborn developed respiratory depression in a postoperative ward. It can result from the use of?

Babies born to mothers who were addicts prior to delivery will also be dependent. Withdrawal symptoms may be irritability, excessive crying, tremors, frantic suckling if fists , diarrhea, sneezing, yawning, vomiting and fever and can result in respiratory depression. All the other given drugs do not produce withdrawal symptoms in newborn. Ref: KD Tripathi 8th ed.