17103
Synthesis and cancer stem cell - based activity of substituted 5 - morpholino - 7H - thieno [ 3 , 2 - b ] pyran - 7 - ones designed as next generation PI3K inhibitors .
 Chemical: 5 - morpholino - 7H - thieno [ 3 , 2 - b ] pyran - 7 - ones
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: 5 - morpholino - 7H - thieno [ 3 , 2 - b ] pyran - 7 - ones 
Answer:
 Chemical: 5 - morpholino - 7H - thieno [ 3 , 2 - b ] pyran - 7 - ones