10256
Claisen - Schmidt condensation reaction of 4 - acetamidoacetophenone with aromatic aldehydes under ultrasonic irradiation affords acetylaminochalcones ( yields : 71 - 90 % ) which also under ultrasonic irradiation and in the presence of sodium acetate and acetic acid aqueous undergo facile and clean cyclocondensation with hydrazine to afford 3 - ( 4 - acetamidophenyl ) - 5 - ( aryl ) - 1 - H - pyrazolines .
 Chemical: 4 - acetamidoacetophenone; Chemical: aromatic aldehydes; Chemical: acetylaminochalcones; Chemical: sodium acetate; Chemical: acetic acid; Chemical: hydrazine; Chemical: 3 - ( 4 - acetamidophenyl ) - 5 - ( aryl ) - 1 - H - pyrazolines
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: 4 - acetamidoacetophenone; Chemical: aromatic aldehydes; Chemical: acetylaminochalcones; Chemical: sodium acetate; Chemical: acetic acid; Chemical: hydrazine; Chemical: 3 - ( 4 - acetamidophenyl ) - 5 - ( aryl ) - 1 - H - pyrazolines