22961
This finding is interpreted such that the CO molecule that physisorbs weakly to NinOn + x ( + ) at room temperature desorbs into the gas phase by the post heating .
 Chemical: CO; Chemical: NinOn + x ( + )
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: CO; Chemical: NinOn + x ( + )