Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.018\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) O=C(CSc1nc2cc(Cl)ccc2c(=O)n1Cc1ccco1)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1
(b) CCCCN(Cc1ccccc1)C(=O)C1CCC(=O)N(CCc2ccccn2)C1
(c) Cc1ccc(N=c2c([N+](=O)[O-])nn(-c3ccc4c(c3)OCCO4)n2O)cc1F
(d) COc1ccc(Cc2nc3ccc(C(=O)N(C)CCn4ccnc4)cc3o2)cc1OC
Answer: b. CCCCN(Cc1ccccc1)C(=O)C1CCC(=O)N(CCc2ccccn2)C1
{#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#}
CCCCN(Cc1ccccc1)C(=O)C1CCC(=O)N(CCc2ccccn2)C1
CCCCN(Cc1ccccc1)C(=O)C1CCC(=O)N(CCc2ccccn2)C1
N-benzyl-N-butyl-6-oxo-1-(2-pyridin-2-ylethyl)piperidine-3-carboxamide