Task: Answer the MCQ question.
Query: Which drug has a 18.170\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CC1CCN(c2ccc(N3C(=O)C4CCCCC4C3=O)cc2[N+](=O)[O-])CC1
b O=C(Nc1cccc(C(F)(F)F)c1)c1ccccc1NC(=O)C1CCCCC1
c CCc1ccc(NS(=O)(=O)c2ccc3oc(=O)ccc3c2)cc1
d COc1ccc2c(c1)OC[C@H]1[C@H]2N2C(=O)CN(Cc3ccc(F)cc3)C(=O)[C@@]2(C)[C@H]1c1ccccc1
e COc1ccc(NC2CC(=O)N(c3cccc(C)c3)C2=O)cc1
Answer: a. CC1CCN(c2ccc(N3C(=O)C4CCCCC4C3=O)cc2[N+](=O)[O-])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#}
CC1CCN(c2ccc(N3C(=O)C4CCCCC4C3=O)cc2[N+](=O)[O-])CC1
CC1CCN(c2ccc(N3C(=O)C4CCCCC4C3=O)cc2[N+](=O)[O-])CC1
2-[4-(4-methylpiperidin-1-yl)-3-nitrophenyl]-3a,4,5,6,7,7a-hexahydroisoindole-1,3-dione