A member of the staff at the care home inquires about paracetamol with the pharmacist. This employee requested to purchase 4 boxes of paracetamol (each having 16 pills), but the grocer refused. What...

A member of the staff at the care home inquires about paracetamol with the pharmacist. This employee requested to purchase 4 boxes of paracetamol (each having 16 pills), but the grocer refused. What is the reason behind this? Please provide a biochemical explanation.

please make the answer long