5256
Although TCS alone ( 3 and 30 mu g / L ) was protective against tadpole mortality , this protection was lost in the presence of T ( 4 ) .
 Chemical: TCS
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: TCS