Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.536\% 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 O=C(/C=C/c1ccccc1)N1c2ccccc2Sc2ccc(C(F)(F)F)cc21
b O=C(CCOc1ccccc1)Nc1ccnn1C1CCN(C(=O)c2ccccc2F)CC1
c O=[N+]([O-])c1ccc(S(=O)(=O)N2CCC3(CC2)OCCN3S(=O)(=O)c2cccs2)cc1
d Brc1ccc(-c2cnco2)cc1
Answer: a. O=C(/C=C/c1ccccc1)N1c2ccccc2Sc2ccc(C(F)(F)F)cc21
{#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#}
O=C(/C=C/c1ccccc1)N1c2ccccc2Sc2ccc(C(F)(F)F)cc21
O=C(/C=C/c1ccccc1)N1c2ccccc2Sc2ccc(C(F)(F)F)cc21
(E)-3-phenyl-1-[2-(trifluoromethyl)phenothiazin-10-yl]prop-2-en-1-one