Problem statement: Answer the MCQ question.
Question: Which drug has a 4.453\% 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 other words.
Options:
a) CCCOP(=O)(OCCC)C(Nc1ccc(C(=O)O)cc1)c1ccccc1
b) NC(=S)N/N=C/c1ccc([N+](=O)[O-])cc1
c) Cc1ccc(NS(=O)(=O)c2c(C(=O)N3CCCCCC3)c(C)n(C)c2C)c(Cl)c1
d) CCOc1ccc(OCC)c(S(=O)(=O)N2CCOCC2)c1
Answer: b. NC(=S)N/N=C/c1ccc([N+](=O)[O-])cc1
{#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#}
NC(=S)N/N=C/c1ccc([N+](=O)[O-])cc1
NC(=S)N/N=C/c1ccc([N+](=O)[O-])cc1
[(E)-(4-nitrophenyl)methylideneamino]thiourea