Task: Answer the multiple-choice question.
Question: Which drug exhibits a 9.979\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. Cc1c(Cl)cccc1NC(=O)Nc1cnccn1
b. O=C(OCc1c(F)cccc1Cl)c1cccnc1Cl
c. O=C(c1ccccc1SCc1ccccc1)N1CCCCCC1
d. CCOC(=O)N1CCC(NC(=O)c2ccc3snnc3c2)CC1
e. Cc1cc(Nc2ccc(Cl)cc2)nc(NCc2ccccc2)n1
Answer: b. O=C(OCc1c(F)cccc1Cl)c1cccnc1Cl
{#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(OCc1c(F)cccc1Cl)c1cccnc1Cl
O=C(OCc1c(F)cccc1Cl)c1cccnc1Cl
(2-chloro-6-fluorophenyl)methyl2-chloropyridine-3-carboxylate