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: Because rats with streptozotocin - induced diabetes mellitus ( DM ) have a high solute diuresis ( glycosuria of 10 to 12 g / day ) , we have suggested that this may in part be responsible for their resistance to gentamicin - induced acute renal failure ( ARF ) .
### Output Text:
Because rats with <span class="chemical">streptozotocin</span> - induced diabetes mellitus ( DM ) have a high solute diuresis ( glycosuria of 10 to 12 g / day ) , we have suggested that this may in part be responsible for their resistance to <span class="chemical">gentamicin</span> - induced acute renal failure ( ARF ) . 