11511
Some of the derivatives prepared seem to exert the antimalarial activity by binding to the DNA minor groove whereas other sets of compounds could exert this antimalarial activity by inhibiting the parasite dihydrofolate reductase , for example .
 Chemical: dihydrofolate
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: dihydrofolate