Task: Answer the multiple-choice question.
Question: Which drug exhibits a -26.695\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CCCCOP(=O)(OCCCC)/C(C#N)=C(/C)O
b. Cl.N[C@@H](Cc1ccc(O)cc1)c1nnc([C@H](CCC(=O)O)NC(=O)C2CCNCC2)o1
c. Cc1ccc(C(=O)NC(=S)NCc2ccco2)cc1
d. O=[N+]([O-])c1ccccc1NC1CCN(Cc2ccccc2)CC1
Answer: d. O=[N+]([O-])c1ccccc1NC1CCN(Cc2ccccc2)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#}
O=[N+]([O-])c1ccccc1NC1CCN(Cc2ccccc2)CC1
O=[N+]([O-])c1ccccc1NC1CCN(Cc2ccccc2)CC1
[2-[(1-benzylpiperidin-4-yl)amino]phenyl]-oxido-oxoazanium