11275
The unique properties of the self - assembled systems , which were analyzed through electron microscopic ( SEM , TEM , AFM ) and spectroscopic techniques ( POM , fluorescence ) , are attributed to the replacement of anthracene / pyrene units by naphthalene units .
 Chemical: anthracene; Chemical: pyrene; Chemical: naphthalene
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: anthracene; Chemical: pyrene; Chemical: naphthalene