14162
In the case of the phthalocyanine - bombesin conjugate , competition experiments confirm the involvement of the GRP receptor in both the phototherapeutic activity as well as intracellular localization .
 Chemical: phthalocyanine; Chemical: bombesin
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: phthalocyanine, bombesin 
Answer:
 Chemical: phthalocyanine; Chemical: bombesin