Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 3.931\% 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) Cn1cc(C(=O)NCCO)c(=O)c2ccccc21
(b) CCOc1ccc(N(C(C)C(=O)N2CCCC2)S(C)(=O)=O)cc1
(c) O=C(O)c1cc(-c2cccs2)nc2cc3c(cc12)OCCO3
(d) CC(C)CCn1c(=O)c2ccccc2n2c(CN3CCOCC3)nnc12
(e) CC1CCCN(CC(O)COc2ccc(S(=O)(=O)N3CCCC3)cc2[N+](=O)[O-])C1
Answer: a. Cn1cc(C(=O)NCCO)c(=O)c2ccccc21
{#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#}
Cn1cc(C(=O)NCCO)c(=O)c2ccccc21
Cn1cc(C(=O)NCCO)c(=O)c2ccccc21
N-(2-hydroxyethyl)-1-methyl-4-oxoquinoline-3-carboxamide