Problem statement: Answer the MCQ question.
Question: Which drug has a 3.447\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(CCc1nc2ccccc2[nH]c1=O)OCC(=O)c1ccc(Cl)cc1
b. O=C(CSc1nc(C2CC2)nc2ccccc12)Nc1ccccc1Cl
Answer: a. O=C(CCc1nc2ccccc2[nH]c1=O)OCC(=O)c1ccc(Cl)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(CCc1nc2ccccc2[nH]c1=O)OCC(=O)c1ccc(Cl)cc1
O=C(CCc1nc2ccccc2[nH]c1=O)OCC(=O)c1ccc(Cl)cc1
[2-(4-chlorophenyl)-2-oxoethyl]3-(3-oxo-4H-quinoxalin-2-yl)propanoate