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: Together these findings show that the GlyT1 inhibitor , SSR103800 , produces antipsychotic - like effects , which differ from those observed with compounds primarily targeting the dopaminergic system , and has a reduced side - effect potential as compared with these latter drugs .
### Output Text:
Together these findings show that the GlyT1 inhibitor , <span class="chemical">SSR103800</span> , produces antipsychotic - like effects , which differ from those observed with compounds primarily targeting the dopaminergic system , and has a reduced side - effect potential as compared with these latter drugs . 