Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.398\% 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 other words.
Options:
a) COC(=O)c1cccc(CN2C(=O)SC(Nc3ccccc3)C2=O)c1
b) COc1ccc2ccccc2c1CNC(=O)CC1C(=O)NCCN1CC(C)C
c) COc1ccc(CN(C)C(=O)c2cccc(S(=O)(=O)N3CCN(c4ccccc4)CC3)c2)c(OC)c1OC
d) CCCC(CCC)C(=O)Nc1cccc(-c2cn3c(n2)SCC3)c1
Answer: a. COC(=O)c1cccc(CN2C(=O)SC(Nc3ccccc3)C2=O)c1
{#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)c1cccc(CN2C(=O)SC(Nc3ccccc3)C2=O)c1
COC(=O)c1cccc(CN2C(=O)SC(Nc3ccccc3)C2=O)c1
methyl 3-[(5-anilino-2,4-dioxo-1,3-thiazolidin-3-yl)methyl]benzoate