Task: Answer the multiple-choice question.
Query: Which compound has a 22.761\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCCOC(=O)C(C)n1cnc2sc(C)c(C)c2c1=O
b: O=C(CN1C(=O)C2(OCCO2)c2cc(Br)ccc21)NO
c: CCN(CC)CCOC(=O)C(O)(c1ccccc1)c1ccccc1.Cl
d: O=C(Nc1ccccc1)C1CCN(c2nccs2)CC1
Answer: b. O=C(CN1C(=O)C2(OCCO2)c2cc(Br)ccc21)NO
{#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(CN1C(=O)C2(OCCO2)c2cc(Br)ccc21)NO
O=C(CN1C(=O)C2(OCCO2)c2cc(Br)ccc21)NO
2-(5'-bromo-2'-oxospiro[1,3-dioxolane-2,3'-indole]-1'-yl)-N-hydroxyacetamide