3722
Interorgan metabolism of ornithine phenylacetate ( OP ) - - a novel strategy for treatment of hyperammonemia .
 Chemical: ornithine phenylacetate
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: ornithine phenylacetate