Task: Answer the MCQ question.
Query: Which compound exhibits a 3.294\% human ether-à-go-go related gene (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) O=C(NCCc1ccccc1)C1c2ccccc2C(=O)N1C1CC1
b) CCCNC(=O)N1CCN(c2ncccn2)CC1
c) Cc1n[nH]c(C)c1CCCCOc1ccccc1[N+](=O)[O-].O=C(O)C(=O)O
d) CCC(=O)Nc1cc(C(C)C)c(O)cc1C
e) Cc1cc(C)nc(SCC(=O)c2ccc(O)cc2O)n1
Answer: b. CCCNC(=O)N1CCN(c2ncccn2)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#}
CCCNC(=O)N1CCN(c2ncccn2)CC1
CCCNC(=O)N1CCN(c2ncccn2)CC1
N-propyl-4-pyrimidin-2-ylpiperazine-1-carboxamide