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: In conclusion , our data suggest that GFC may influence in epileptogenesis and promote anticonvulsant actions in pilocarpine model by modulating the GABA and glutamate contents and of AChE activity in seized mice hippocampus .
### Output Text:
In conclusion , our data suggest that <span class="chemical">GFC</span> may influence in epileptogenesis and promote anticonvulsant actions in <span class="chemical">pilocarpine</span> model by modulating the <span class="chemical">GABA</span> and <span class="chemical">glutamate</span> contents and of AChE activity in seized mice hippocampus . 