10519
However , at high concentrations ( =~ 0 . 2 mg / mL ) , ( 1 ) H NMR and DOSY measurements confirmed that irradiating BBS at 350 nm induced a conversion from the trans - BBS into its cis isomer by photoisomerization .
 Chemical: ( 1 ) H; Chemical: BBS; Chemical: trans - BBS
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: ( 1 ) H; Chemical: BBS; Chemical: trans - BBS