Task: Answer the MCQ question.
Query: Which drug has a 5.446\% 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: COCCCNC(=S)N/N=C/c1ccc(N(C)C)cc1
b: O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1c[nH]c2ccccc12
c: O=C(NCC1CCCO1)c1ccc(Cl)c(F)c1F
d: Cc1ccc(N(CC(=O)NC2CCC(C)CC2)S(=O)(=O)c2cccnc2)cc1
Answer: b. O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1c[nH]c2ccccc12
{#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(N/N=C/c1cccc([N+](=O)[O-])c1)c1c[nH]c2ccccc12
O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1c[nH]c2ccccc12
N-[(E)-(3-nitrophenyl)methylideneamino]-1H-indole-3-carboxamide