26004
Ophthalmologic pharmaceutical agents , like prostaglandin analogs , epinephrine , timolol , and ophthalmic preparation preservatives have also been reported to cause macular edema as an adverse event .
 Chemical: prostaglandin; Chemical: epinephrine; Chemical: timolol
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: prostaglandin; Chemical: epinephrine; Chemical: timolol