Task: Answer the MCQ question.
Query: Which compound has a 0.386\% 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. NC(=O)[C@@H]1CCCNc2c(I)cc([N+](=O)[O-])cc2C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](Cc2cnc[nH]2)C(=O)N1
b. CCCCc1ccc(NC(=O)C(=O)NCCN2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)cc1
Answer: b. CCCCc1ccc(NC(=O)C(=O)NCCN2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)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#}
CCCCc1ccc(NC(=O)C(=O)NCCN2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)cc1
CCCCc1ccc(NC(=O)C(=O)NCCN2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)cc1
N'-(4-butylphenyl)-N-[2-[4-(4-nitrobenzoyl)piperazin-1-yl]ethyl]oxamide