14713
The precursors were chosen to be elemental Se and iron acetylacetonate [ Fe ( III ) ( C 5 H 8 O 2 ) 3 ] .
 Chemical: Se; Chemical: iron acetylacetonate; Chemical: Fe ( III ) ( C 5 H 8 O 2 ) 3
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: Se; Chemical: iron acetylacetonate; Chemical: Fe ( III ) ( C 5 H 8 O 2 ) 3