11271
Novel poly ( aryl ether ) dendron - based low - molecular - weight organogelaters ( LMWG ) containing naphthalene units at the core have been synthesized , and the self - assembly of the system has been examined in a variety of solvents and solvent mixtures .
 Chemical: poly ( aryl ether ); 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: poly ( aryl ether ); Chemical: naphthalene