Task: Answer the MCQ question.
Question: Which compound has a 4.647\% 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: CCOc1ccc(OCC)c(NC(=O)CSc2nnnn2CC)c1
b: O=C(NCc1nc2ccccc2[nH]1)C1=C[C@H](C2CCCCC2)C[C@H](OCCCCO)O1
c: CCOCCCNC(=O)N[C@@H](Cc1ccccc1)C(=O)OC
Answer: b. O=C(NCc1nc2ccccc2[nH]1)C1=C[C@H](C2CCCCC2)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(NCc1nc2ccccc2[nH]1)C1=C[C@H](C2CCCCC2)C[C@H](OCCCCO)O1
O=C(NCc1nc2ccccc2[nH]1)C1=C[C@H](C2CCCCC2)C[C@H](OCCCCO)O1
(2R,4S)-N-(1H-benzimidazol-2-ylmethyl)-4-cyclohexyl-2-(4-hydroxybutoxy)-3,4-dihydro-2H-pyran-6-carboxamide