Task: Answer the MCQ question.
Question: Which drug exhibits a 20.461\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a OCCCNc1nc(-c2ccccc2)nc2c1oc1ccccc12
b Cc1nc2ccccc2c(=O)n1CCCN1CCOCC1
c CCCCN1C2=C(C(=O)CCC2)C(c2ccc(Cl)c(Cl)c2)C2=C1c1ccccc1C2=O
Answer: c. CCCCN1C2=C(C(=O)CCC2)C(c2ccc(Cl)c(Cl)c2)C2=C1c1ccccc1C2=O
{#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#}
CCCCN1C2=C(C(=O)CCC2)C(c2ccc(Cl)c(Cl)c2)C2=C1c1ccccc1C2=O
CCCCN1C2=C(C(=O)CCC2)C(c2ccc(Cl)c(Cl)c2)C2=C1c1ccccc1C2=O
5-butyl-10-(3,4-dichlorophenyl)-6,7,8,10-tetrahydro-5H-indeno[1,2-b]quinoline-9,11-dione