Task: Answer the MCQ question.
Question: Which compound has a -26.834\% 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.) CCN1CCN(C(=O)Cn2nc(C)n3c(cc4c(OC)cccc43)c2=O)CC1
b.) O=C(NCc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
c.) Cc1cc(S(=O)(=O)Nc2cccc(C(=O)O)c2)c(C)c(S(=O)(=O)c2ccc(Cl)cc2)c1
d.) CCOC(=O)C1CCCN(S(=O)(=O)c2ccc3c(c2)C(C)(C)C(=O)N3C)C1
Answer: b. O=C(NCc1ccccc1)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(NCc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
O=C(NCc1ccccc1)C1=C[C@H](c2coc3ccccc3c2=O)C[C@H](OCCCCO)O1
(2R,4R)-N-benzyl-2-(4-hydroxybutoxy)-4-(4-oxochromen-3-yl)-3,4-dihydro-2H-pyran-6-carboxamide