Task: Answer the MCQ question.
Query: Which compound exhibits a 18.427\% 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 O=C(COC(=O)Cc1ccccc1)Nc1ccc(F)cc1
b COC(=O)c1cnn(-c2ccc(Cl)cc2)c1/C=N/NC(N)=S
c COC(=O)c1ccc(CSc2ncnc3c2nnn3-c2ccc(OC)cc2)o1
d CC(C)CC1c2[nH]c3ccccc3c2CCN1C(=O)c1cnccn1
e COc1ccc(NC(=O)C2CCCN(c3cnccn3)C2)cc1
Answer: a. O=C(COC(=O)Cc1ccccc1)Nc1ccc(F)cc1
{#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(COC(=O)Cc1ccccc1)Nc1ccc(F)cc1
O=C(COC(=O)Cc1ccccc1)Nc1ccc(F)cc1
[2-(4-fluoroanilino)-2-oxoethyl]2-phenylacetate