What is the ruling regarding someone who carried a sheep, and it urinated on his clothes, and he only remembered this while he was praying?

The droppings of animals whose meat is permissible to eat are pure, according to the more preponderant opinion among scholars, because the Prophet, peace and blessings be upon him, commanded the 'Uranis to seek healing with the urine and milk of camels, and he prayed in sheepfolds which are not free of their urine and droppings. Therefore, sheep urine is pure, and it is permissible to pray in a garment that has been touched by some of it.