19197
The oxygen sensitive emission of platinum ( ii ) - 5 , 10 , 15 , 20 - tetrakis - ( 2 , 3 , 4 , 5 , 6 - pentafluorphenyl ) - porphyrin ( PtTFPP ) was detected by the red channel , while the emission of a reference dye was detected by the green channel .
 Chemical: oxygen; Chemical: platinum ( ii ) - 5 , 10 , 15 , 20 - tetrakis - ( 2 , 3 , 4 , 5 , 6 - pentafluorphenyl ) - porphyrin; Chemical: PtTFPP
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: oxygen, platinum ( ii ) - 5 , 10 , 15 , 20 - tetrakis - ( 2 , 3 , 4 , 5 , 6 - pentafluorphenyl ) - porphyrin, PtTFPP 
Answer:
 Chemical: oxygen; Chemical: platinum ( ii ) - 5 , 10 , 15 , 20 - tetrakis - ( 2 , 3 , 4 , 5 , 6 - pentafluorphenyl ) - porphyrin; Chemical: PtTFPP