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Furthermore , in vivo xenograft data showed that erlotinib inhibited the growth of PLC5 tumor but had no effect on Huh - 7 tumor .
 Chemical: erlotinib
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: erlotinib