Task: Answer the multiple-choice question.
Question: Which compound has a -39.404\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CN(CCc1cn[nH]c1)C(=O)CC1C(=O)NCCN1Cc1cccc(Oc2ccccc2)c1
b. O=C(NCCCN1CCN(Cc2ccccc2)CC1)c1nnc(Cc2c(F)cccc2Cl)o1
c. CN1CCN(c2ccccc2NC(=O)c2cc(Br)ccc2Cl)CC1
Answer: b. O=C(NCCCN1CCN(Cc2ccccc2)CC1)c1nnc(Cc2c(F)cccc2Cl)o1
{#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#}
N-[3-(4-benzylpiperazin-1-yl)propyl]-5-[(2-chloro-6-fluorophenyl)methyl]-1,3,4-oxadiazole-2-carboxamide