Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 6.988\% 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: COc1ccc(NC(=O)CC2C(=O)N(C)C(=S)N2CCc2ccc(F)cc2)cc1
b: NC(=S)Nc1nc2ccccc2[nH]c1=O
c: Cc1cc(=O)[nH]c(S)c1C#N
d: COC(=O)CNC(=O)COC(=O)c1ccc(Cl)nc1
Answer: d. COC(=O)CNC(=O)COC(=O)c1ccc(Cl)nc1
{#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)CNC(=O)COC(=O)c1ccc(Cl)nc1
COC(=O)CNC(=O)COC(=O)c1ccc(Cl)nc1
[2-[(2-methoxy-2-oxoethyl)amino]-2-oxoethyl] 6-chloropyridine-3-carboxylate