Rb     R' U2 R U2 ' R' F R U R' U' R' F' R2 U'

Rb
Adjacent corner swaps

Alternate Algorithms

Setup

R U' R' U' R U R D R' U' R D' R' U2 R' U'

Recognition

One 1x2 block is solved in the front-left, connected to a set of headlights on the left. Two adjacent corners need to swap, and two edges on the right need to swap.