Task: Answer the multiple-choice question.
Question: Which compound exhibits a 17.681\% 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 Cc1nc(SCc2ccccc2F)c2oc3ccccc3c2n1
b CC(C)C1Cc2c(sc(NC(=S)NC(=O)c3ccccc3)c2C#N)CO1
c O=C(NC(=S)NCCCN1CCOCC1)c1cccc2ccccc12
Answer: a. Cc1nc(SCc2ccccc2F)c2oc3ccccc3c2n1
{#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#}
Cc1nc(SCc2ccccc2F)c2oc3ccccc3c2n1
Cc1nc(SCc2ccccc2F)c2oc3ccccc3c2n1
4-[(2-fluorophenyl)methylsulfanyl]-2-methyl-[1]benzofuro[3,2-d]pyrimidine