16022
Twenty - five metabolites were tentatively identified for irgarol , terbutryn , tramadol , and venlafaxine in G . pulex ( 21 via oxidation and 4 via conjugation reactions ) and 11 metabolites in D . magna ( 7 via oxidation and 4 via conjugation reactions ) , while no evidence of metabolites for clarithromycin and valsartan was found .
 Chemical: irgarol; Chemical: terbutryn; Chemical: tramadol; Chemical: venlafaxine; Chemical: clarithromycin; Chemical: valsartan
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: irgarol; Chemical: terbutryn; Chemical: tramadol; Chemical: venlafaxine; Chemical: clarithromycin; Chemical: valsartan