Task: Answer the MCQ question.
Query: Which compound has a -1.947\% 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 additional words.
Options:
a: Cc1cc(C)c(C)c(S(=O)(=O)N2CCC(C(=O)N3CC(C)CC(C)C3)CC2)c1C
b: COc1cc(C)ccc1Oc1ncnc(N)c1[N+](=O)[O-]
c: O=S1(=O)N=C(N=Nc2c(O)[nH]c3ccccc23)c2ccccc21
d: COc1cc(C(=O)NCC(=O)N2CC=C(c3ccccc3)CC2)cc(OC)c1OC
Answer: c. O=S1(=O)N=C(N=Nc2c(O)[nH]c3ccccc23)c2ccccc21
{#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=S1(=O)N=C(N=Nc2c(O)[nH]c3ccccc23)c2ccccc21
O=S1(=O)N=C(N=Nc2c(O)[nH]c3ccccc23)c2ccccc21
3-[(1,1-dioxo-1,2-benzothiazol-3-yl)diazenyl]-1H-indol-2-ol