12452
The potent antitumor activity of 1 - O - hexadecyl - 2 - O - methyl - 3 - O - ( 2 ' - amino - 2 ' - deoxy - beta - D - glucopyranosyl ) - sn - glycerol ( 1 ) was previously shown to arise through an apoptosis - independent pathway .
 Chemical: 1 - O - hexadecyl - 2 - O - methyl - 3 - O - ( 2 ' - amino - 2 ' - deoxy - beta - D - glucopyranosyl ) - sn - glycerol
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: 1 - O - hexadecyl - 2 - O - methyl - 3 - O - ( 2 ' - amino - 2 ' - deoxy - beta - D - glucopyranosyl ) - sn - glycerol 
Answer:
 Chemical: 1 - O - hexadecyl - 2 - O - methyl - 3 - O - ( 2 ' - amino - 2 ' - deoxy - beta - D - glucopyranosyl ) - sn - glycerol