Problem statement: Answer the multiple-choice question.
Query: Which drug has a 6.589% human ether-à-go-go related gene (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=C1CCCc2c1nc(-c1ccccc1)n2O
b: CCc1cccc(NC(=S)N/N=C/c2cn(CC)c3ccc(S(=O)(=O)N4CCOCC4)cc23)c1
c: Oc1ccc(CCNc2ncnc3ccc(Cl)cc23)cc1
d: CCCC1Cc2nc(N3CCCCC3)c(C#N)cc2CO1
Answer: a. O=C1CCCc2c1nc(-c1ccccc1)n2O
{#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=C1CCCc2c1nc(-c1ccccc1)n2O
O=C1CCCc2c1nc(-c1ccccc1)n2O
1-hydroxy-2-phenyl-6,7-dihydro-5H-benzimidazol-4-one