Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.974\% 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 additional words.
Options:
a) O=C(Nc1ccccc1N1CCOCC1)c1ccc([N+](=O)[O-])o1
b) COc1ccccc1N1CCN(C2CCCN(C(=O)CCc3cnccn3)C2)CC1
c) COCC(O)CSc1nc(C)[nH]c1[N+](=O)[O-]
d) Cc1nc(N)sc1-c1csc(N(C)c2ccc(O)cc2)n1
e) CCOc1ccc2nc(-c3ccccc3)[nH]c2c1
Answer: b. COc1ccccc1N1CCN(C2CCCN(C(=O)CCc3cnccn3)C2)CC1
{#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#}
COc1ccccc1N1CCN(C2CCCN(C(=O)CCc3cnccn3)C2)CC1
COc1ccccc1N1CCN(C2CCCN(C(=O)CCc3cnccn3)C2)CC1
1-[3-[4-(2-methoxyphenyl)piperazin-1-yl]piperidin-1-yl]-3-pyrazin-2-ylpropan-1-one