1656
Avobenzone presented a pronounced phototoxicity and vitamin A presented a tendency to a weak phototoxic potential .
 Chemical: Avobenzone; Chemical: vitamin A
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Avobenzone; Chemical: vitamin A