Fill in the blank (_) in the following sentence from the following choices.
Sentence: Phil went to the neighborhood store for an ordinary battery and an unusual plug for his electronic device, and he special ordered the _ because it is proprietary.

Choice 1: Phil went to the neighborhood store for an ordinary battery and an unusual plug for his electronic device, and he special ordered the plug because it is proprietary.
Choice 2: Phil went to the neighborhood store for an ordinary battery and an unusual plug for his electronic device, and he special ordered the battery because it is proprietary.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. The sentence states that Phil special ordered the battery because it is proprietary, not the plug.