12898
Mithramycin SA shows decreased anti - cancer activity compared to mithramycin and has a shorter , two carbon aglycon side chain that is terminated in a carboxylic acid .
 Chemical: Mithramycin SA; Chemical: mithramycin; Chemical: carbon; Chemical: carboxylic acid
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: Mithramycin SA; Chemical: mithramycin; Chemical: carbon; Chemical: carboxylic acid