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This study was designed to evaluate the alterations in offspring rat cerebellum induced by maternal exposure to carmustine - [ 1 , 3 - bis ( 2 - chloroethyl ) - 1 - nitrosoure ] ( BCNU ) and to investigate the effects of exogenous melatonin upon cerebellar BCNU - induced cortical dysplasia , using histological and biochemical analyses .
 Chemical: carmustine; Chemical: 1 , 3 - bis ( 2 - chloroethyl ) - 1 - nitrosoure; Chemical: BCNU; Chemical: melatonin; Chemical: BCNU; Disease: cortical dysplasia
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: carmustine; Chemical: 1 , 3 - bis ( 2 - chloroethyl ) - 1 - nitrosoure; Chemical: BCNU; Chemical: melatonin; Chemical: BCNU; Disease: cortical dysplasia