Task: Answer the MCQ question.
Question: Which compound exhibits a -4.452\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=C(NCCCN1CCOCC1)C(=O)N/N=C/c1ccccc1
b O=c1[nH]c2ccccc2c2nc3ccccn3c12
c c1ccc2c(SCc3cn4ccccc4n3)nncc2c1
d C=C(C)c1cccc(C(C)(C)NC(=O)N2CCN(CC(N)=O)CC2)c1
e O=C(/C=C/c1ccccc1)NC1CCSC1=O
Answer: b. O=c1[nH]c2ccccc2c2nc3ccccn3c12
{#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=c1[nH]c2ccccc2c2nc3ccccn3c12
O=c1[nH]c2ccccc2c2nc3ccccn3c12
8,11,17-triazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(10),2,4,6,12,14,16-heptaen-9-one