Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 2.177\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCOC(=O)c1oc2ccccc2c1NC(=O)COc1ccc(F)cc1
b.) CCCc1c(C)c2c(C)[nH]nc2oc1=O
Answer: b. CCCc1c(C)c2c(C)[nH]nc2oc1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
3,4-dimethyl-5-propyl-2H-pyrano[2,3-c]pyrazol-6-one