18772
Based on real - time monitoring of cell index , the IC50 of growth of HT29 cells by paclitaxel - SA1 - cetuximab was estimated to be 2 . 9 nM approximately 5 - fold lower than water - soluble paclitaxel ( 14 . 5 nM ) .
 Chemical: paclitaxel; Chemical: paclitaxel
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: paclitaxel; Chemical: paclitaxel