Task: Answer the MCQ question.
Query: Which compound has a -3.673\% 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(/C=N/NC(=S)Nc2ccccc2)cc1COc1ccc(Br)cc1
b: Nc1nnc(-c2cccnc2)s1
c: COc1ccc(Oc2ccc(/C=C/C(=O)c3cccc(OC)c3)cc2[N+](=O)[O-])cc1
d: Cc1cccc(C(=O)NC2CCN(S(=O)(=O)c3ccc(F)cc3)CC2)c1
Answer: b. Nc1nnc(-c2cccnc2)s1
{#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#}
Nc1nnc(-c2cccnc2)s1
Nc1nnc(-c2cccnc2)s1
5-pyridin-3-yl-1,3,4-thiadiazol-2-amine