Task: Answer the multiple choice question.
Query: Which compound has a 21.576\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CC(=O)c1nn(-c2cccc(Br)c2)cc1C(=O)c1ccc2ccccc2c1
b) Cc1nnc(N)nc1C
c) CC1CCc2[nH]c3ccc(C(=O)N4CCCC(C(F)(F)F)C4)cc3c2C1
d) CC1=C[C@@H](C)[C@@H](c2ccc(C(F)(F)F)cc2)OC1=O
Answer: c. CC1CCc2[nH]c3ccc(C(=O)N4CCCC(C(F)(F)F)C4)cc3c2C1
{#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#}
CC1CCc2[nH]c3ccc(C(=O)N4CCCC(C(F)(F)F)C4)cc3c2C1
CC1CCc2[nH]c3ccc(C(=O)N4CCCC(C(F)(F)F)C4)cc3c2C1
(6-methyl-6,7,8,9-tetrahydro-5H-carbazol-3-yl)-[3-(trifluoromethyl)piperidin-1-yl]methanone