Task: Answer the MCQ question.
Query: Which compound exhibits a 4.515\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCSC1=NSC2=NC(=O)/C(=C\c3coc4ccccc4c3=O)C(=N)N12
b: O=C(COC(=O)CCC(=O)c1cccs1)Nc1cc(S(=O)(=O)N2CCOCC2)ccc1Cl
c: Cc1cccc(N/C=C/c2onc(C)c2[N+](=O)[O-])c1
Answer: a. CCSC1=NSC2=NC(=O)/C(=C\c3coc4ccccc4c3=O)C(=N)N12
{#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#}
CCSC1=NSC2=NC(=O)/C(=C\c3coc4ccccc4c3=O)C(=N)N12
CCSC1=NSC2=NC(=O)/C(=C\c3coc4ccccc4c3=O)C(=N)N12
(6Z)-3-ethylsulfanyl-5-imino-6-[(4-oxochromen-3-yl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one