Task: Answer the multiple choice question.
Question: Which compound has a 6.620\% 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 additional words.
Options:
a: C#CCn1c(=NC(=O)c2ccc(S(=O)(=O)N3CCCc4ccccc43)cc2)sc2cc(S(N)(=O)=O)ccc21
b: CCC(=O)Nc1nc(=S)ss1
c: Cc1cccc(-n2c(O)c(C=NCCCN3CCOCC3)c(=O)[nH]c2=O)c1C
d: CCc1nnc(NC(=O)C2CCCCN2S(=O)(=O)c2ccccc2)s1
Answer: b. CCC(=O)Nc1nc(=S)ss1
{#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#}
CCC(=O)Nc1nc(=S)ss1
CCC(=O)Nc1nc(=S)ss1
N-(5-sulfanylidene-1,2,4-dithiazol-3-yl)propanamide