21680
It is shown that the most stable form of the chromophore ( THIQMI with an OH . . . N hydrogen bond ) prefers to directly stick to ML to form the addition complex whereas the second conformer ( THIQMII with NH . . . O hydrogen bond ) rearranges to form a strongly bound structure .
 Chemical: THIQMI; Chemical: OH; Chemical: N; Chemical: hydrogen; Chemical: THIQMII; Chemical: NH; Chemical: O; Chemical: hydrogen
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: THIQMI; Chemical: OH; Chemical: N; Chemical: hydrogen; Chemical: THIQMII; Chemical: NH; Chemical: O; Chemical: hydrogen