Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 21.283\% 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, d, or e without using any additional words.
Options:
a COc1cccc(C(O)c2nc3ccccc3n2C(C)C)c1
b CCCCNC(=O)c1ccc2c(=O)n(CCCOCC)c(=S)[nH]c2c1
c CC1(C)CC(=O)C(C2C3=C(CC(C)(C)CC3=O)Oc3ccccc32)=C(O)C1
d CCOC(=O)CCc1nc2ccccc2[nH]1
e COC(=O)CC1SCCNC1=O
Answer: d. CCOC(=O)CCc1nc2ccccc2[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#}
CCOC(=O)CCc1nc2ccccc2[nH]1
CCOC(=O)CCc1nc2ccccc2[nH]1
ethyl 3-(1H-benzimidazol-2-yl)propanoate