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The decreased capacity to concentrate urine is likely due to lithium acutely disrupting the cAMP pathway and chronically reducing urea transporter ( UT - A1 ) and water channel ( AQP2 ) expression in the inner medulla .
 Chemical: lithium; Chemical: cAMP; Chemical: urea
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: lithium; Chemical: cAMP; Chemical: urea