Red pill is not of my liking. Can't defend a heist sitting on the toilet half of your life.
Blue pill is not of my liking. I have problems with relying on my instincts, probably would die within a few minutes. Super strength + blindness could get me in big troubles really fast I think.
Green pill is not of my liking. Who really wants to be a Kid again? That's lame. Wouldn't be able to spend my $400 millions probably. Could find a way with my intelligence, but a kid, really? Nope thx. I have fun living in dumbness.
Orange pill could be useful. But I have no allergies I know of.
Pink pill is so paradox, are ther Korean pop stars with the talent of one? Probably yes, but I don't follow that genre at all. Would also probably distract me and the heist crew has easy way to suceed.
Brown pill is not of my liking. Sitting on the toilet half of my life without having super speed even.
Purple pill sounds good.
Black pill no thanks, as I could fade into non-existence by taking the pill. If another one takes the pill after me, I'm a goner as I would be the actual PT director and will be gone.

So from that summary, I'd probably have to take the purple one as it sounds least dangerous.

The effect of the pill (to meet the PT criteria): After some thinking I choose to take the purple pill and it tastes like a grape jelly bean. I feel normal about it.