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: This indicates reversibility in captopril - induced renal failure even after its prolonged use and suggests that no organic damage occurs to glomerular arterioles following chronic ACE inhibition .
### Output Text:
This indicates reversibility in <span class="chemical">captopril</span> - induced renal failure even after its prolonged use and suggests that no organic damage occurs to glomerular arterioles following chronic ACE inhibition . 