2875
On the contrary , though not clinically apparent , pethidine potentially causes inhibitory impacts on the CNS and impairs normal cerebellar and oculomotor function in the short term .
 Chemical: pethidine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: pethidine