Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -4.219\% 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 additional words.
Options:
a.) CCCCn1c(O)c(C(C)=NCCCn2ccnc2)c(=O)[nH]c1=O
b.) O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1cnccn1
c.) COc1ccc(-c2cc(C(=O)NNC(=O)c3csc(N4CCOCC4)n3)c3ccccc3n2)cc1OC
d.) O=C(CC1CCCC1)NNC(=O)c1ccc(F)cc1
e.) CCOc1c(Br)ccc2c1sc1nc[nH]c(=O)c12
Answer: b. O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1cnccn1
{#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(N/N=C/c1cccc([N+](=O)[O-])c1)c1cnccn1
O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1cnccn1
N-[(E)-(3-nitrophenyl)methylideneamino]pyrazine-2-carboxamide