Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.636\% 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) CCc1ccccc1NC(=S)N(CCN(C)C)Cc1cccs1
(b) Cn1c(NCc2ccco2)nc2c1c(=O)n(Cc1ccc(Br)cc1)c(=O)n2C
(c) Cc1cc(C)c2c(N)c(C(=O)N3CCN(c4ncccn4)CC3)sc2n1
(d) O=C1C=C(NNC(=O)c2cccnc2)CC(c2ccco2)C1
Answer: d. O=C1C=C(NNC(=O)c2cccnc2)CC(c2ccco2)C1
{#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=C1C=C(NNC(=O)c2cccnc2)CC(c2ccco2)C1
O=C1C=C(NNC(=O)c2cccnc2)CC(c2ccco2)C1
N'-[5-(furan-2-yl)-3-oxocyclohexen-1-yl]pyridine-3-carbohydrazide