Task: Answer the MCQ question.
Question: Which drug exhibits a 8.673\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) O=C(c1cccc2ccccc12)C1CCCN(C(=O)CCN2CCCO2)C1
b) c1ccc(CNCCN2CCNCC2)nc1
c) O=C(Nc1ccccc1N1CCOCC1)c1cc(-c2ccco2)nc2ccccc12
Answer: b. c1ccc(CNCCN2CCNCC2)nc1
{#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#}
c1ccc(CNCCN2CCNCC2)nc1
c1ccc(CNCCN2CCNCC2)nc1
2-piperazin-1-yl-N-(pyridin-2-ylmethyl)ethanamine