Task: Answer the MCQ question.
Question: Which drug exhibits a -9.674% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CC(=O)Nc1ccc(S(=O)(=O)N2CCNC(=O)CC2)cc1
b: O=C(OC1CN2CCC1CC2)C12CC3CC(CC(C3)C1)C2
c: CCc1ccccc1OCCCCCNCCO
Answer: c. CCc1ccccc1OCCCCCNCCO
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1ccccc1OCCCCCNCCO
CCc1ccccc1OCCCCCNCCO
2-[5-(2-ethylphenoxy)pentylamino]ethanol