12156
BACKGROUND : In previous studies with male and female rhesus monkeys , withdrawal of access to oral phencyclidine ( PCP ) self - administration reduced responding for food under a high fixed - ratio ( FR ) schedule more in males than females , and with a delay discounting ( DD ) task with saccharin ( SACC ) as the reinforcer impulsive choice for SACC increased during PCP withdrawal more in males than females .
 Chemical: phencyclidine; Chemical: PCP; Chemical: saccharin; Chemical: SACC; Chemical: SACC; Chemical: PCP
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: phencyclidine; Chemical: PCP; Chemical: saccharin; Chemical: SACC; Chemical: SACC; Chemical: PCP