Task: Answer the multiple-choice question.
Question: Which compound has a 2.198\% 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, d, or e without using any additional words.
Options:
(a) CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1Cc1ccc(-c2ccccc2)cc1
(b) O=C(NCc1ccc(F)cc1)C1CCCN(C(=O)Nc2ccccc2)C1
(c) Cc1cc(-c2ccccc2)nc2cc(C(=O)OC(C)C)nn12
(d) Cc1c(NC(=O)c2cccc(NC(=O)Cc3ccccc3F)c2)c(=O)n(-c2ccccc2)n1C
(e) COc1ccc(C(=O)N2c3ccc(F)cc3CCC2C)cc1OC
Answer: a. CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1Cc1ccc(-c2ccccc2)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#}
CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1Cc1ccc(-c2ccccc2)cc1
CN(Cc1cccnc1)C(=O)CC1C(=O)NCCN1Cc1ccc(-c2ccccc2)cc1
N-methyl-2-[3-oxo-1-[(4-phenylphenyl)methyl]piperazin-2-yl]-N-(pyridin-3-ylmethyl)acetamide