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: Chronic carbamazepine inhibits the development of local anesthetic seizures kindled by cocaine and lidocaine .
### Output Text:
Chronic <span class="chemical">carbamazepine</span> inhibits the development of local anesthetic seizures kindled by <span class="chemical">cocaine</span> and <span class="chemical">lidocaine</span> . 