1259
Absence of vehicle treatment effects when CX1837 and CX1739 were given in the peanut butter pellets , to multiple cohorts of BTBR and B6 control mice , confirmed that the pharmacologically - induced improvements in sociability in BTBR were not confounded by the administration procedures .
 Chemical: CX1837; Chemical: CX1739
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: CX1837; Chemical: CX1739