Task: Answer the MCQ question.
Query: Which drug exhibits a 9.992\% 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. CCOc1ccc(C(=O)Nc2nc(C)cc(C)n2)cc1[N+](=O)[O-]
b. O=C(NCCN1CCOCC1)c1cc([N+](=O)[O-])ccc1Cl
c. C/C(N)=C(/C#N)C(=O)CSc1nnc(-c2ccccc2Br)o1
d. CCCCc1cc(=O)oc2cc(OCC(=O)NCCN3CCOCC3)ccc12
e. CCc1ccc(S(=O)(=O)Nc2cccc(-c3ccc4nncn4n3)c2)s1
Answer: b. O=C(NCCN1CCOCC1)c1cc([N+](=O)[O-])ccc1Cl
{#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(NCCN1CCOCC1)c1cc([N+](=O)[O-])ccc1Cl
O=C(NCCN1CCOCC1)c1cc([N+](=O)[O-])ccc1Cl
2-chloro-N-(2-morpholin-4-ylethyl)-5-nitrobenzamide