Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 5.049\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C(CN1CCC(C(=O)O)CC1)Nc1ccccc1Oc1ccccc1
b CNCC(O)COc1ccccc1
c CN1C(c2nnnn2-c2ccccc2)c2ccccc2CC1(C)C
d O=C(N/N=C/c1ccc(-c2cccc([N+](=O)[O-])c2)o1)c1ccccc1O
Answer: c. CN1C(c2nnnn2-c2ccccc2)c2ccccc2CC1(C)C
{#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#}
CN1C(c2nnnn2-c2ccccc2)c2ccccc2CC1(C)C
CN1C(c2nnnn2-c2ccccc2)c2ccccc2CC1(C)C
2,3,3-trimethyl-1-(1-phenyltetrazol-5-yl)-1,4-dihydroisoquinoline