8552
The amount of soluble Se compounds in enzyme extracts of high Se treatment was 27 % in M . spicatum , 41 % in C . demersum and 35 % in P . perfoliatus .
 Chemical: Se; Chemical: Se
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: Se