The second noticeable guitar part sounds like an overdub and I'm not too sure on what exact notes it is. Also Andrew has a second guitar playing backwards to end the song. Just go from 7 to 5. I used both of my pickups on the main part, then switched to the high pickup to play the second part.
E---------------------------------------------
B---------------------------------------------
G------------------------------------5--------
D-----5--7---5---7---5--7---5h7---------------
A---------------------------------------------
E---------------------------------------------
The overdub part.
E---------------------------------------------
B---------------------------------------------
G---------------------------------------------
D---------------------------------------------
A-15h17---15----13----12-------5h7--5--2------
E---------------------------------------------
|