11100
A novel unusual pentacyclic hemiacetal sterol nephthoacetal ( 1 ) , was isolated from soft coral Nephthea sp .
 Chemical: pentacyclic hemiacetal sterol; Chemical: nephthoacetal
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: pentacyclic hemiacetal sterol, nephthoacetal 
Answer:
 Chemical: pentacyclic hemiacetal sterol; Chemical: nephthoacetal