10397
Fulvestrant is an ER down - regulator with several potential advantages over SERMs , including a 100 - fold increase in its affinity for ER compared with tamoxifen and no estrogen - like activity in the uterus .
 Chemical: Fulvestrant; Chemical: tamoxifen; Chemical: estrogen
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: Fulvestrant; Chemical: tamoxifen; Chemical: estrogen