Task: Answer the MCQ question.
Question: Which compound exhibits a 8.944\% 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) COc1cc(CCC(=O)OCC(=O)Nc2cccc(S(=O)(=O)N(C)C)c2)cc(OC)c1OC
b) CC(C)(Oc1ccc(-c2ccco2)cc1)C(=O)O
c) CC1(C)CC(=O)C2=C(C1)Nc1ccccc1NC2c1ccccn1
d) CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@@H]2N2C(=O)N(c3ccc(OC)cc3)C(=O)[C@]12C
e) CN(C)c1c2ccccc2nc2c(F)c(F)c(F)c(F)c12
Answer: b. CC(C)(Oc1ccc(-c2ccco2)cc1)C(=O)O
{#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#}
CC(C)(Oc1ccc(-c2ccco2)cc1)C(=O)O
CC(C)(Oc1ccc(-c2ccco2)cc1)C(=O)O
2-[4-(furan-2-yl)phenoxy]-2-methylpropanoic acid