Task: Answer the MCQ question.
Question: Which compound has a 8.247\% 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. COc1cc(SC)ccc1C(=O)Nc1ccc(Cl)cn1
b. O=c1ccn(-c2ccccc2)[nH]1
c. Cc1cc(C(=O)Nc2cccc([N+](=O)[O-])c2C)cs1
d. O=C(NCCCCCCNC(=O)NCc1ccco1)NCc1ccco1
e. COc1ccc(C(=O)C2CCCN(C3Cc4ccccc4C3)C2)c(OC)c1
Answer: b. O=c1ccn(-c2ccccc2)[nH]1
{#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=c1ccn(-c2ccccc2)[nH]1
O=c1ccn(-c2ccccc2)[nH]1
2-phenyl-1H-pyrazol-5-one