Task:
Extract chemical entities (e.g., chemicals, metabolites) from the provided Context.
Replace all chemical abbreviations with their full chemical names.
Do not modify, interpret, or expand chemical formulas (e.g., NaCl); keep them exactly as written.
Refrain from describing groups of chemicals as discrete chemical entities (e.g., pesticides, plastics, proteins).

Output requirements:
1. Return only chemical names.
2. Do not include explanations, labels, or any additional text.
3. Separate chemical names exactly with " ; " (space-semicolon-space).
4. Do not add leading or trailing separators.
5. Do not include running characters such as " - " (space-dash-space) or ": - " (colon-space-dash-space)
in chemical names.
6. If no chemical entities are present, return exactly "none"

Context:
{{ text }}
