Task: Answer the multiple-choice question.
Question: Which compound has a 13.478\% 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=C(NC(=S)Nc1ccc(N2CCOCC2)cc1)c1cccc([N+](=O)[O-])c1
(b) Cc1ccc(N2C(=O)[C@@H]3[C@@H]4O[C@@H]([C@H]5ON=C(c6ccc(Cl)cc6Cl)[C@H]54)[C@@H]3C2=O)cc1
(c) CC(=O)N1CC23C=CC(CC2CC12CCCCCC2)O3
(d) NS(=O)(=O)c1cccc(NC(=O)COC(=O)c2cc(-c3ccc(Cl)cc3)nc3ccccc23)c1
Answer: a. O=C(NC(=S)Nc1ccc(N2CCOCC2)cc1)c1cccc([N+](=O)[O-])c1
{#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(NC(=S)Nc1ccc(N2CCOCC2)cc1)c1cccc([N+](=O)[O-])c1
O=C(NC(=S)Nc1ccc(N2CCOCC2)cc1)c1cccc([N+](=O)[O-])c1
N-[(4-morpholin-4-ylphenyl)carbamothioyl]-3-nitrobenzamide