17850
The results showed that SCPP11 with a molecular weight of 3 . 4 x 10 ( 3 ) Da exhibited indirect cyctotoxic activity against tumor cells in vitro , but could significantly inhibit the growth of Heps cells in vivo at dose of 50mg / kg , and its inhibition rate is higher than that in the positive group .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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