Task: Answer the MCQ question.
Query: Which compound exhibits a 6.870\% human ether-à-go-go related gene (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. CC(NC(=O)CN(C)CC(=O)Nc1ccccc1Br)c1ccccc1.O=C(O)C(=O)O
b. CCOC(=O)c1c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)sc(C)c1C
c. CCOC(=O)COc1ccsc1C(=O)OC
d. C/C(=N\NC(=O)CNc1cccc(Cl)c1C)C1CC1
Answer: c. CCOC(=O)COc1ccsc1C(=O)OC
{#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#}
CCOC(=O)COc1ccsc1C(=O)OC
CCOC(=O)COc1ccsc1C(=O)OC
methyl 3-(2-ethoxy-2-oxoethoxy)thiophene-2-carboxylate