D   F#m   G   A

And this is the arpeggio (not 100% right in the A chord)

          D           D           F#m           F#m
E|--------5-----------5-----------------------------------------|
B|------7---7-------7---7-----------10---------------10---------|
G|----7-------7---7-------7------11----11---------11----11------|
D|----------------------------11----------11---11----------11---|
A|--5-----------5-----------9----------------9------------------|
E|--------------------------------------------------------------|

           G                  G              A           A
E|----------10----------------10-------------5-----------5-----|
B|-------12----12----------12----12--------5---5-------5---5---|
G|----12----------12----12----------12---6-------6---6-------6-|
D|-------------------------------------------------------------|
A|-10----------------10----------------------------------------|
E|-------------------------------------5-----------5-----------|

Repeat this arpeggio a lot!!!

In the pre-chorus part play these chords:

 G   A

 D   G   A