Task: Answer the MCQ question.
Query: Which drug exhibits a 0.685% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a C=CCn1c(SCc2ccc(C(=O)NCCO)cc2)nc2sc(C)c(C)c2c1=O
b CCCCc1c(O)c2ccccc2[nH]c1=O
c O=C(Oc1ccc(OC(=O)N2CCCCC2)cc1)c1ccccc1
d Cc1cc(NC(=O)CSc2nc(C(C)C)nc3sc(C)c(C)c23)no1
e C=C(C)Cn1c(CCNC(=O)c2ccco2)nc2ccccc21
Answer: b. CCCCc1c(O)c2ccccc2[nH]c1=O
{#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#}
CCCCc1c(O)c2ccccc2[nH]c1=O
CCCCc1c(O)c2ccccc2[nH]c1=O
3-butyl-4-hydroxy-1H-quinolin-2-one