22932
The metallogels showed different fluorescence changes when they met with enantiomeric ( R , R ) - or ( S , S ) - 1 , 2 - diaminocyclohexane .
 Chemical: ( R , R ) - or ( S , S ) - 1 , 2 - diaminocyclohexane
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: ( R , R ) - or ( S , S ) - 1 , 2 - diaminocyclohexane