Earlier quoted context omitted.
How is that different than saying the function of the lungs, kidneys and heart can't be reduced to matter interactions? How is the brain special?
well the brain is special because it gives rise to consciousness. lungs, kidneys and heart don't
Turns out, consciousness/experience/qualia is an unexpected side effect of this process. We can "feel" the intelligence happening.
Where we humans get lost is believing that it has any meaning, or that we are somehow in control. We're not; the feeling of free will is just a other trick of qualia.