The great advantage of taking medicine is that it makes no demands on the taker beyond that of putting up for a moment with a disgusting taste, and that is what all patients demand of their doctors--to be cured at no inconvenience to themselves.

译文：服药的最大优点是：除了暂时忍受一下令人作呕的味道外，对服药人别无其他要求。这也正是病人对医生的要求——病要治好，但不要太麻烦。

问题1. 此处of有什么作用，前面的that指的是什么？

问题2. at no inconvenience什么意思？