Task: Answer the multiple-choice question.
Question: Which drug has a 4.003\% 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 O=C(NNC(=O)C1CCCCC1)c1ccc(Br)cc1
b S=C(Nc1ccc(Cl)cc1Cl)N1CCCCC1
c CC1(C(=O)NNC(=O)c2cccc([N+](=O)[O-])c2)CC1(Br)Br
d Nc1nnc(SCC(=O)Nc2ccc3nc(SCC(=O)Nc4ccccc4)sc3c2)s1
Answer: b. S=C(Nc1ccc(Cl)cc1Cl)N1CCCCC1
{#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#}
S=C(Nc1ccc(Cl)cc1Cl)N1CCCCC1
S=C(Nc1ccc(Cl)cc1Cl)N1CCCCC1
N-(2,4-dichlorophenyl)piperidine-1-carbothioamide