Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 8.721\% 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 Cc1nccc(-c2sc(-c3cccs3)nc2C)n1
b CCOC(=O)N1CCC(NC(=O)CCC(=O)N2CC(C)Oc3ccc(Cl)cc32)CC1
c NS(=O)(=O)c1ccc(S(=O)(=O)N(Cc2ccccc2F)CC2CCCO2)cc1
d N/C(=N\N=C\c1ccc(O)cc1O)N[N+](=O)[O-]
Answer: d. N/C(=N\N=C\c1ccc(O)cc1O)N[N+](=O)[O-]
{#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#}
2-[(E)-(2,4-dihydroxyphenyl)methylideneamino]-1-nitroguanidine