Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 2.503\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. Nc1ccc([As](=O)(O)c2ccc([N+](=O)[O-])cc2)cc1
b. Cc1ccc(C(=O)N2CCN(c3ncccn3)CC2)cc1NC1=NC2CS(=O)(=O)CC2S1
c. CCOc1ccc(C2C(C#N)=C(N)Oc3cc(C)n(Cc4ccco4)c(=O)c32)cc1OC
d. O=C(O)C(O)Cc1c[nH]c2ccccc12
e. O=C(NCc1cccnc1)/C(=C\c1ccc(-c2cccc(Cl)c2)o1)S(=O)(=O)c1ccccc1
Answer: a. Nc1ccc([As](=O)(O)c2ccc([N+](=O)[O-])cc2)cc1
{#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#}
Nc1ccc([As](=O)(O)c2ccc([N+](=O)[O-])cc2)cc1
Nc1ccc([As](=O)(O)c2ccc([N+](=O)[O-])cc2)cc1
(4-aminophenyl)-(4-nitrophenyl)arsinic acid