Paralysis on the left side of his body

A 61-year-old woman presents to an emergency room with paralysis on the left side of his body; and she is unable to speak clearly. The physician suspects that he has had an ischemic stroke which resulted from a thrombosis (blood clot). Which of the following therapeutics would she likely receive to dissolve the blood clot?

Group of answer choices

Leuprolide

L-asparaginase

Alteplase

Lactase

DNase 1