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: Three hundred fifty - five adult male CSS mice , 58 B6 , and 39 A / J were tested for susceptibility to pilocarpine - induced seizures .
### Output Text:
Three hundred fifty - five adult male CSS mice , 58 B6 , and 39 A / J were tested for susceptibility to <span class="chemical">pilocarpine</span> - induced seizures . 