Task: Answer the multiple-choice question.
Question: Which compound has a 17.766\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. O=C(c1cnsn1)N1CCN(c2ccccn2)CC1
b. O=C(Nc1ccsn1)c1ccc(Cl)cc1Cl
c. Cc1[nH]n(-c2ccccc2)c(=O)c1/C=N/NC(=O)c1ccc(O)cc1O
d. O=C(COC(=O)CNC(=O)C1CCCCC1)Nc1ccc(Br)cc1Br
Answer: b. O=C(Nc1ccsn1)c1ccc(Cl)cc1Cl
{#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(Nc1ccsn1)c1ccc(Cl)cc1Cl
O=C(Nc1ccsn1)c1ccc(Cl)cc1Cl
2,4-dichloro-N-(1,2-thiazol-3-yl)benzamide