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: The authors suggest that fluoxetine - induced akathisia may be caused by serotonergically mediated inhibition of dopaminergic neurotransmission and that the pathophysiology of fluoxetine - induced akathisia and tricyclic antidepressant - induced " jitteriness " may be identical .
### Output Text:
The authors suggest that <span class="chemical">fluoxetine</span> - induced akathisia may be caused by serotonergically mediated inhibition of dopaminergic neurotransmission and that the pathophysiology of <span class="chemical">fluoxetine</span> - induced akathisia and tricyclic <span class="chemical">antidepressant</span> - induced " jitteriness " may be identical . 