Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.942\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CCCC(=O)Nc1ccc(Oc2ccc(NC(=O)CCC)cc2)cc1
(b) O=C(COc1ccc(Cl)cc1)Nc1ccc(N2CCN(C(=O)c3ccco3)CC2)cc1
(c) Cc1ccc(S(=O)(=O)NC(=O)NC(C)(C)C)cc1
(d) Cc1c(-c2ccco2)[n+](=O)c2c(n1[O-])CCC2
Answer: d. Cc1c(-c2ccco2)[n+](=O)c2c(n1[O-])CCC2
{#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#}
Cc1c(-c2ccco2)[n+](=O)c2c(n1[O-])CCC2
Cc1c(-c2ccco2)[n+](=O)c2c(n1[O-])CCC2
3-(furan-2-yl)-2-methyl-1-oxido-6,7-dihydro-5H-cyclopenta[b]pyrazin-4-ium 4-oxide