Task: Answer the multiple-choice question.
Query: Which drug exhibits a 10.048\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCCCNC(=O)CN(Cc1ccco1)S(=O)(=O)c1ccc(C(C)=O)cc1
b CCCCc1c(O)c2ccccc2[nH]c1=O
c CC(=O)Nc1cccc(NC(=O)CSc2nnnn2Cc2ccccc2)c1
d Cc1noc(C)c1S(=O)(=O)Nc1ccccc1OC(F)(F)F
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_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#}
CCCCc1c(O)c2ccccc2[nH]c1=O
CCCCc1c(O)c2ccccc2[nH]c1=O
3-butyl-4-hydroxy-1H-quinolin-2-one