Task: Answer the MCQ question.
Query: Which drug exhibits a 6.535\% 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) COc1ccc(N2CCN(CC(=O)Nc3cccc(S(=O)(=O)N4CCOCC4)c3)CC2)cc1.Cl
(b) O=C(NCCc1ccccc1)c1cc(=O)[nH]c2ccccc12
(c) COC(=O)CCc1c(C)[nH]c(=S)[nH]c1=O
(d) COn1c(SCC(=O)N(C)C)nc2ccccc2c1=O
Answer: c. COC(=O)CCc1c(C)[nH]c(=S)[nH]c1=O
{#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#}
COC(=O)CCc1c(C)[nH]c(=S)[nH]c1=O
COC(=O)CCc1c(C)[nH]c(=S)[nH]c1=O
methyl 3-(6-methyl-4-oxo-2-sulfanylidene-1H-pyrimidin-5-yl)propanoate