13311
Four mesomorphic , mixed - valent [ Mn ( III ) ( 8 ) Mn ( IV ) ( 4 ) O ( 12 ) ( L ( x , y , z - CB ) ) ( 16 ) ( H ( 2 ) O ) ( 4 ) ] SMM , differing in the number of liquid - crystalline promoters , ( L ( x , y , z - CB ) ) , were synthesized , and their self - organizing and magnetic properties were investigated .
 Mn ( III ) ( 8 ) Mn ( IV ) ( 4 ) O ( 12 ) ( L ( x , y , z - CB ) ) ( 16 ) ( H ( 2 ) O ) ( 4 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Mn ( III ) ( 8 ) Mn ( IV ) ( 4 ) O ( 12 ) ( L ( x , y , z - CB ) ) ( 16 ) ( H ( 2 ) O ) ( 4 )