17870
For example , organophosphates , which inhibit acetylcholinesterase as do the drugs used in treating AD symptoms , have also been shown to lead to microtubule derangements and tau hyperphosphorylation , a hallmark of AD .
 Chemical: organophosphates
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: organophosphates