4487
Elevation of cysteine consumption in tamoxifen - resistant MCF - 7 cells .
 Chemical: cysteine; Chemical: tamoxifen
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: cysteine; Chemical: tamoxifen