7179
Synchrotron VUV - ionization aerosol mass spectrometry was used to detect the particle phase oxidation products that include as many as 3 NO ( 3 ) subunits added to the squalene backbone .
 Chemical: NO ( 3 ); Chemical: squalene
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: NO ( 3 ), squalene 
Answer:
 Chemical: NO ( 3 ); Chemical: squalene