Hows this?
The color cast was REALLY intense, so a LOT of adjustment had to be done to the yellow shadows and flared highlights.

But, the correction brought back the whites on the subjects' shirt, the blue sign in the background on the pole, and allowed the yellow sign to poke through on the wall to the right above the blue can.

I'll post the preset and usage instructions in a sec.

Compare this to your original shot above, and lemme know