Task: Answer the MCQ question.
Question: Which compound exhibits a -2.135\% 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 additional words.
Options:
a) COc1ccc(N(CC(=O)N/N=C/c2ccco2)S(=O)(=O)c2ccccc2)cc1
b) CCOC(=O)CCc1c(C)c2ccc(OC(C)C(=O)OCC)c(C)c2oc1=O
c) CN1CCN(C(=O)c2ccc(C(C)(C)C)cc2)CC1
d) Cc1cc(NC(=O)CCc2ccc(C)o2)no1
Answer: c. CN1CCN(C(=O)c2ccc(C(C)(C)C)cc2)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#}
CN1CCN(C(=O)c2ccc(C(C)(C)C)cc2)CC1
CN1CCN(C(=O)c2ccc(C(C)(C)C)cc2)CC1
(4-tert-butylphenyl)-(4-methylpiperazin-1-yl)methanone