Task: Answer the multiple-choice question.
Question: Which compound has a -1.329\% 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 other words.
Options:
a COCCNC(=O)Cc1nc2ccccc2[nH]1
b Cc1ccccc1Nc1ccc(S(=O)(=O)N2CCOCC2)cc1[N+](=O)[O-]
c CC(C)CNS(=O)(=O)c1ccc(CCC(=O)N2CCOCC2)cc1
d FC(F)(F)c1cccc(N2CCN(c3nnnn3-c3ccccc3)CC2)c1
Answer: a. COCCNC(=O)Cc1nc2ccccc2[nH]1
{#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#}
COCCNC(=O)Cc1nc2ccccc2[nH]1
COCCNC(=O)Cc1nc2ccccc2[nH]1
2-(1H-benzimidazol-2-yl)-N-(2-methoxyethyl)acetamide