Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 3.447\% 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) COC(=O)Cc1ccc(NC(=S)NCc2ccc(S(N)(=O)=O)cc2)cc1
(b) CCOCC(=O)Nc1ccc([N+](=O)[O-])cc1OC
(c) Cc1ccc(F)cc1NC(=O)c1ccc(NS(=O)(=O)c2ccc(Br)s2)cc1
(d) CCc1nc(SCC(=O)NC2CCCC2)c2c(=O)n(C)c(=O)n(C)c2n1
Answer: b. CCOCC(=O)Nc1ccc([N+](=O)[O-])cc1OC
{#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#}
CCOCC(=O)Nc1ccc([N+](=O)[O-])cc1OC
CCOCC(=O)Nc1ccc([N+](=O)[O-])cc1OC
2-ethoxy-N-(2-methoxy-4-nitrophenyl)acetamide