Task: Answer the multiple-choice question.
Query: Which compound has a -0.898\% 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 additional words.
Options:
a) O=c1c(Oc2ccccc2F)coc2cc(OCc3cnn(-c4ccccc4)c3)ccc12
b) NC(=O)c1ccsc1NC(=O)Cc1ccc([N+](=O)[O-])cc1
c) CCOC(=O)c1cnc2ccc(Cl)cc2c1N1CCN(C)CC1
d) NC(=O)COC(=O)c1cc(=O)[nH]c2ccc(S(=O)(=O)Nc3ccc(F)cc3)cc12
Answer: b. NC(=O)c1ccsc1NC(=O)Cc1ccc([N+](=O)[O-])cc1
{#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#}
NC(=O)c1ccsc1NC(=O)Cc1ccc([N+](=O)[O-])cc1
NC(=O)c1ccsc1NC(=O)Cc1ccc([N+](=O)[O-])cc1
2-[[2-(4-nitrophenyl)acetyl]amino]thiophene-3-carboxamide