Problem statement: Answer the MCQ question.
Query: Which drug has a 20.893% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(NC1CCCCCC1)C1Cc2ccccc2CN1C(=O)c1ccco1
[b] O=C(NC(=S)Nc1ccc(CN2CCCCC2)cc1)c1cccc(OCc2ccccc2)c1
[c] Nc1nc(F)cc(NCc2ccccc2)n1
[d] O=C(NNc1cccc(Cl)n1)Nc1ccccc1Cl
Answer: d. O=C(NNc1cccc(Cl)n1)Nc1ccccc1Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(NNc1cccc(Cl)n1)Nc1ccccc1Cl
O=C(NNc1cccc(Cl)n1)Nc1ccccc1Cl
1-(2-chlorophenyl)-3-[(6-chloropyridin-2-yl)amino]urea