Task: Answer the multiple-choice question.
Query: Which compound exhibits a 18.639\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. O=C(Nc1cccc2cccnc12)c1cc(F)c(F)cc1Cl
b. CC(OC(=O)c1cccc(-n2cnnn2)c1)C(=O)Nc1ccc(F)cc1
c. CCC(=O)Nc1ccc(C(=O)CSc2nc(N)cc(N)n2)cc1
Answer: a. O=C(Nc1cccc2cccnc12)c1cc(F)c(F)cc1Cl
{#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#}
O=C(Nc1cccc2cccnc12)c1cc(F)c(F)cc1Cl
O=C(Nc1cccc2cccnc12)c1cc(F)c(F)cc1Cl
2-chloro-N-benzo[b]pyridin-8-yl-4,5-difluorobenzamide