11350
Singlet oxygen generation was observed when ZnPc - loaded NPs were irradiated at 610nm within a 45min time range , despite that ZnPc was not released in the medium .
 Chemical: oxygen; Chemical: ZnPc; Chemical: ZnPc
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: oxygen; Chemical: ZnPc; Chemical: ZnPc