Task: Answer the MCQ question.
Question: Which drug has a 13.217\% 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 other words.
Options:
a. CCOC(=O)C(=CNc1ncccc1C)C(=O)OCC
b. CN(CC(=O)Nc1cccc(F)c1)CC(=O)N(C)CC(=O)Nc1ccccc1Br
c. OC1(c2cccc(C(F)(F)F)c2)CCN(Cc2nc(-c3cnccn3)no2)CC1
d. O=C(CC1C(=O)NCCN1Cc1c(F)cccc1Cl)NCCC1=CCCCC1
Answer: a. CCOC(=O)C(=CNc1ncccc1C)C(=O)OCC
{#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)C(=CNc1ncccc1C)C(=O)OCC
CCOC(=O)C(=CNc1ncccc1C)C(=O)OCC
diethyl 2-[[(3-methylpyridin-2-yl)amino]methylidene]propanedioate