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: These complications have included clinical deterioration and intracranial vascular thrombosis in patients with SAH , arteriolar and capillary fibrin thrombi in patients with fibrinolytic syndromes treated with EACA , or other thromboembolic phenomena .
### Output Text:
These complications have included clinical deterioration and intracranial vascular thrombosis in patients with SAH , arteriolar and capillary fibrin thrombi in patients with fibrinolytic syndromes treated with <span class="chemical">EACA</span> , or other thromboembolic phenomena . 