What is the pill marked oc on one side and 160 on the other?

The pill marked "OC" on one side and "160" on the other is identified as Oxycodone Hydrochloride 160 mg, a prescription medication used to treat moderate to severe pain. Oxycodone is an opioid analgesic, which works by altering how the brain and nervous system respond to pain. It is important to use this medication only as prescribed due to the risk of addiction, abuse, and overdose. If you have further questions or concerns, consult a healthcare professional.