Task: Answer the multiple-choice question.
Query: Which drug exhibits a -0.692\% 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) CN1CCN(c2ccc([N+](=O)[O-])cc2C(=O)Nc2ccccc2)CC1
b) CC(C)c1ccc(/C=C/C(=O)NCCCN2CCOCC2)cc1
c) Oc1[nH]c2ccc(Br)cc2c1N=NC(=S)N1CCOCC1
d) CCN1CCN(C(=O)CCc2nnc(CCc3c[nH]c4ccccc34)o2)[C@@H](C)C1=O
Answer: d. CCN1CCN(C(=O)CCc2nnc(CCc3c[nH]c4ccccc34)o2)[C@@H](C)C1=O
{#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#}
CCN1CCN(C(=O)CCc2nnc(CCc3c[nH]c4ccccc34)o2)[C@@H](C)C1=O
CCN1CCN(C(=O)CCc2nnc(CCc3c[nH]c4ccccc34)o2)[C@@H](C)C1=O
(3S)-1-ethyl-4-[3-[5-[2-(1H-indol-3-yl)ethyl]-1,3,4-oxadiazol-2-yl]propanoyl]-3-methylpiperazin-2-one