17907
Next , we assessed the mutual correlations among maximum amount of change of cell - surface thiols ( MAC value ) in the SH test , CV75 value ( concentration giving 75 % cell viability ) in a cytotoxicity assay , EC150 and EC200 values ( thresholds concentrations of CD86 and CD54 expression , respectively ) in h - CLAT and published LLNA thresholds of 64 chemicals .
 Chemical: thiols
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: thiols