3121
Furthermore , the EGFR inhibitor AG1478 inhibited EGF - induced MMP - 9 expression , cell migration and invasion , as well as the activation of PI3K / Akt , suggesting that PI3K / Akt activation occur downstream of EGFR activation .
 Chemical: AG1478
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: AG1478