Task: Answer the multiple-choice question.
Question: Which drug exhibits a 5.585\% 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: O=C(C1=C[C@@H](c2coc3ccccc3c2=O)C[C@@H](OCc2ccc(CO)cc2)O1)N1CCCCCCC1
b: O=C(O)c1cccnc1Sc1ccc(Br)cc1
c: Cc1ccc(N(C)S(=O)(=O)c2ccc(-c3cc(C)no3)s2)cc1
d: S=C1CSc2ccccc2N1
Answer: d. S=C1CSc2ccccc2N1
{#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#}
S=C1CSc2ccccc2N1
S=C1CSc2ccccc2N1
4H-1,4-benzothiazine-3-thione