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 with previously reported cases , our patient suggests that tic - like symptoms might occur in certain vulnerable individuals during treatment with atypical antipsychotics such as quetiapine , clozapine , or amisulpride .
### Output Text:
Together with previously reported cases , our patient suggests that tic - like symptoms might occur in certain vulnerable individuals during treatment with atypical antipsychotics such as <span class="chemical">quetiapine</span> , <span class="chemical">clozapine</span> , or <span class="chemical">amisulpride</span> . 