Task: Answer the multiple-choice question.
Query: Which compound exhibits a 5.577\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=C(NCCc1ccccc1)c1cccc([N+](=O)[O-])c1
b) S=C(NCCc1ccccc1)NCC1CCCO1
c) NC(=S)Nc1c(Cl)cccc1Cl
d) CSc1ccccc1NC(=O)CN1CC(C)OC(C)C1
Answer: b. S=C(NCCc1ccccc1)NCC1CCCO1
{#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#}
S=C(NCCc1ccccc1)NCC1CCCO1
S=C(NCCc1ccccc1)NCC1CCCO1
1-(oxolan-2-ylmethyl)-3-(2-phenylethyl)thiourea