10542
We previously reported that caffeoyl - amino acidyl - hydroxamic acid ( CA - Xaa - NHOH ) acted as both a good antioxidant and tyrosinase inhibitor , in particular when caffeic acid was conjugated with proline or amino acids having aromatic ring like phenylalanine .
 Chemical: caffeoyl - amino acidyl - hydroxamic acid; Chemical: CA - Xaa - NHOH; Chemical: caffeic acid; Chemical: proline; Chemical: amino acids; Chemical: phenylalanine
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: caffeoyl - amino acidyl - hydroxamic acid; Chemical: CA - Xaa - NHOH; Chemical: caffeic acid; Chemical: proline; Chemical: amino acids; Chemical: phenylalanine