19594
The results of this study suggest that increasing the proportion of microcrystalline cellulose ( MCC ) improved the tensile strength and the stability of tensile strength of these theophylline tablets .
 Chemical: theophylline
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: theophylline