Complex sentence: So the SVTA instead models bimolecular reactions using a novel extension of the diffusional voxel-hopping rule, an extension that rectifies the physical incorrectness of the standard diffusion equation on the small space-time scales where collision-induced reactions occur.
Split into simpler sentences: So the SVTA instead models bimolecular reactions using a "novel extension of the diffusional voxel-hopping rule". That extension rectifies the physical incorrectness of the standard diffusion equation on the small space-time scales where collision-induced reactions occur.