Task: Answer the MCQ question.
Question: Which drug has a -0.018\% 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 other words.
Options:
a: COc1cc(C(=O)N2CCN(C(=O)c3ccco3)CC2)c([N+](=O)[O-])cc1OC
b: CCOc1ccc(-n2c(SCC(=O)Nc3ccc4c(c3)OCCO4)nc3c(c2=O)SCC3)cc1
c: COc1ccc(COCC(O)CN2CCc3ccccc3C2)cc1OC.Cl
d: O=C(CSc1nc2ccccc2c(=O)n1Cc1ccco1)NCc1ccco1
Answer: b. CCOc1ccc(-n2c(SCC(=O)Nc3ccc4c(c3)OCCO4)nc3c(c2=O)SCC3)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#}
CCOc1ccc(-n2c(SCC(=O)Nc3ccc4c(c3)OCCO4)nc3c(c2=O)SCC3)cc1
CCOc1ccc(-n2c(SCC(=O)Nc3ccc4c(c3)OCCO4)nc3c(c2=O)SCC3)cc1
N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[[3-(4-ethoxyphenyl)-4-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-2-yl]sulfanyl]acetamide