9148
In the hippocampus , MDMA potentiated the alpha 7 regulatory effects of NIC ( raising a 25 . 5 % increase to 52 . 5 % ) but alone was devoid of effect .
 Chemical: MDMA; Chemical: NIC
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: MDMA; Chemical: NIC