Problem statement: Answer the MCQ question.
Question: Which compound has a 18.147\% 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 other words.
Options:
a) CCCn1c(C2CCCN2c2nc(-c3cccc(Br)c3)cs2)nc2ccccc21
b) O=C(O)C1=C[C@@H](c2coc3ccccc3c2=O)C[C@@H](OCCCCO)O1
c) CCCC(=O)c1c(NCCO)cc(C)oc1=O
Answer: b. O=C(O)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(O)C1=C[C@@H](c2coc3ccccc3c2=O)C[C@@H](OCCCCO)O1
O=C(O)C1=C[C@@H](c2coc3ccccc3c2=O)C[C@@H](OCCCCO)O1
(2S,4S)-2-(4-hydroxybutoxy)-4-(4-oxochromen-3-yl)-3,4-dihydro-2H-pyran-6-carboxylic acid