2217
But NMDA and MK - 801 do not affect the expression of IL - 6 and TNF alpha .
 Chemical: NMDA; Chemical: MK - 801
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: NMDA; Chemical: MK - 801