3022
Oral administration of melamine at 700 mg / kg / day for 14 consecutive days in rats produced compound - related clinical signs ( red urine ) , decreased body weights , and changes in clinical pathology ( increased serum urea nitrogen and creatinine ) and anatomical pathology ( renal tubular cell debris , crystal deposition , and hyperactive regeneration of renal tubular epithelium ) .
 Chemical: melamine; Chemical: urea; Chemical: nitrogen; Chemical: creatinine
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: melamine; Chemical: urea; Chemical: nitrogen; Chemical: creatinine