Use proper percent-encoding for reserved characters:
(However, though reserved, a non-encoded bracket could be part of an URL. In this example, it should be encoded though, and meanwhile also fixes the problem with the clickable link...)
It's actually easier to just use Markdown's
< ..>, just like shown in the "How to Format" box to the right when composing a post:
But: that's still ugly, and to make proper Markdown formatting work in the preview as well†, you need the percent-encoded URL anyway:
† Even though the preview doesn't like trailing parentheses when using the
[name][id] syntax, the end result for both is actually fine.