Task: Answer the multiple-choice question.
Query: Which compound exhibits a -0.239\% human ether-à-go-go related gene (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 CC(C)(C)CN1CCC(Oc2cccc(C(=O)NCCCOc3cccnc3)c2)CC1
b CCC(CC)C(=O)NCCN1CCN(C(=O)C(CC)CC)CC1
c O=C(NC(=S)N1CCN(c2ccc(Cl)cc2[N+](=O)[O-])CC1)c1cccs1
d N#CC(CCN1CCOCC1)(c1ccccc1)c1ccccc1
Answer: c. O=C(NC(=S)N1CCN(c2ccc(Cl)cc2[N+](=O)[O-])CC1)c1cccs1
{#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)N1CCN(c2ccc(Cl)cc2[N+](=O)[O-])CC1)c1cccs1
O=C(NC(=S)N1CCN(c2ccc(Cl)cc2[N+](=O)[O-])CC1)c1cccs1
N-[4-(4-chloro-2-nitrophenyl)piperazine-1-carbothioyl]thiophene-2-carboxamide