7384
These nanostructural changes are confirmed by cryo - transmission electron microscopy ( cryo - TEM ) , and the photoisomerization of trans - ACA and cis - ACA is verified by ( 1 ) H NMR .
 Chemical: trans - ACA; Chemical: cis - ACA; Chemical: ( 1 ) H
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: trans - ACA; Chemical: cis - ACA; Chemical: ( 1 ) H