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: Temocapril , a long - acting non - SH group angiotensin converting enzyme inhibitor , modulates glomerular injury in chronic puromycin aminonucleoside nephrosis .
### Output Text:
<span class="chemical">Temocapril</span> , a long - acting non - SH group <span class="chemical">angiotensin</span> converting enzyme inhibitor , modulates glomerular injury in chronic <span class="chemical">puromycin aminonucleoside</span> nephrosis . 