Task: Answer the MCQ question.
Query: Which drug has a 4.536\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. O=C(O)C1Oc2cc3ccccc3cc2O1
b. N#Cc1cnc(SCCc2ccccc2)nc1N
c. O=C(COc1ccc(F)cc1)c1c(O)cc(O)cc1O
Answer: a. O=C(O)C1Oc2cc3ccccc3cc2O1
{#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#}
O=C(O)C1Oc2cc3ccccc3cc2O1
O=C(O)C1Oc2cc3ccccc3cc2O1
benzo[f][1,3]benzodioxole-2-carboxylic acid