Problem statement: Answer the multiple-choice question.
Question: Which compound has a 20.013\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Cc1ccc(C)c2sc(N3CCN(C(=O)c4ccc([N+](=O)[O-])o4)CC3)nc12
b CSc1nnc(-c2sccc2-n2cccc2)o1
c Cn1c(=O)c(=O)n(C)c2cc(N3CCOCC3)c(NS(=O)(=O)c3ccc(Br)cc3)cc21
d O=S(=O)(c1ccc(Oc2ccc(Cl)cc2)c(S(=O)(=O)N2CCCCC2)c1)N1CCCCC1
Answer: b. CSc1nnc(-c2sccc2-n2cccc2)o1
{#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#}
CSc1nnc(-c2sccc2-n2cccc2)o1
CSc1nnc(-c2sccc2-n2cccc2)o1
2-methylsulfanyl-5-(3-pyrrol-1-ylthiophen-2-yl)-1,3,4-oxadiazole