Task: Answer the multiple-choice question.
Question: Which compound exhibits a -20.011\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) C=CCn1c(=NC(=O)c2cccs2)sc2cccc(OC)c21
b) CSc1ccccc1C(=O)N1CCCC(CCC(=O)NCc2ccc(F)c(F)c2)C1
c) COC(=O)c1cc(Br)c(=O)n(Cc2cccnc2)c1
d) O=C(Nc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
Answer: d. O=C(Nc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
{#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(Nc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
O=C(Nc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
(2R,4R)-2-(4-hydroxybutoxy)-4-(4-oxochromen-3-yl)-N-phenyl-3,4-dihydro-2H-pyran-6-carboxamide