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We aimed to investigate the protective effects of different doses of caffeic acid phenethyl ester ( CAPE ) on PQ - intoxicated rats . Materials and methods : A total of 80 rats were divided into the following eight groups , comprising 10 rats in each group : group 1 : control ; group 2 : administered with CAPE ( 10 micro mol / kg ) ; group 3 : administered with 15 mg / kg PQ ( PQ15 group ) ; group 4 : administered with 30 mg / kg PQ ( PQ30 group ) ; group 5 : administered with 45 mg / kg PQ ( PQ45 group ) ; group 6 : administered with 15 mg / kg PQ + CAPE ; group 7 : administered with 30 mg / kg PQ + CAPE and group 8 : administered with 45 mg / kg PQ + CAPE .
 Chemical: caffeic acid phenethyl ester; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE
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: caffeic acid phenethyl ester; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE; Chemical: CAPE