Task: Answer the MCQ question.
Query: Which drug exhibits a -77.412\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CC1CCCN(CCCOc2ccc([N+](=O)[O-])cc2)C1.O=C(O)C(=O)O
(b) COC1(C2=NCCN2)COc2ccccc2O1.Cl
Answer: a. CC1CCCN(CCCOc2ccc([N+](=O)[O-])cc2)C1.O=C(O)C(=O)O
{#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#}
CC1CCCN(CCCOc2ccc([N+](=O)[O-])cc2)C1.O=C(O)C(=O)O
CC1CCCN(CCCOc2ccc([N+](=O)[O-])cc2)C1.O=C(O)C(=O)O
3-methyl-1-[3-(4-nitrophenoxy)propyl]piperidine;oxalic acid