Task: Answer the MCQ question.
Question: Which compound exhibits a 9.642\% 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) O=c1c2oc3nc4c(cc3c2ncn1CCCc1ccccc1)CCCC4
(b) O=C(N/N=C/c1c[nH]c2ccc(Br)cc12)c1ccc2c(c1)OCO2
(c) COc1ccc(S(=O)(=O)N(C(=O)c2ccncc2)c2ccc(OC(=O)c3ccncc3)cc2)cc1
(d) O=C(NNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])c1ccco1
Answer: d. O=C(NNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])c1ccco1
{#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(NNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])c1ccco1
O=C(NNc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])c1ccco1
[O][=C][Branch2][Ring1][#Branch1][N][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2][N+1][=Branch1][C][=O][O-1][C][=C][C][=C][O][Ring1][Branch1]
N'-(2,4-dinitrophenyl)furan-2-carbohydrazide