In the sentence extracted from biomedical literature, identify all the chemical entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="chemical"> to denote a chemical.

### Input Text: Induction of intravascular coagulation and inhibition of fibrinolysis by injection of thrombin and tranexamic acid ( AMCA ) in the rat gives rise to pulmonary and renal insufficiency resembling that occurring after trauma or sepsis in man .
### Output Text:
Induction of intravascular coagulation and inhibition of fibrinolysis by injection of thrombin and <span class="chemical">tranexamic acid</span> ( <span class="chemical">AMCA</span> ) in the rat gives rise to pulmonary and renal insufficiency resembling that occurring after trauma or sepsis in man . 