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: Additionally , this may have been the first report on AMI - induced apoptotic death in the lung tissue .
### Output Text:
Additionally , this may have been the first report on <span class="chemical">AMI</span> - induced apoptotic death in the lung tissue . 