Where is the Bank 1 Sensor 2 O2 sensor? on 2006 Honda Odyssey

Need to replace one of the O2 sensors, however, there are 4. I need to replace the Bank 1 Sensor 2 O2 sensor.

Asked by for the 2006 Honda Odyssey
Bank 1 is on the side of the #1 cylinder (firewall side) and the sensor #2 is the sensor after the catalytic converter.