Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.953\% 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: CCOC(=O)C1=C(C)Nc2ccccc2N/C1=N\S(=O)(=O)c1cc(C(=O)O)ccc1Cl
b: CCOC(=O)C(C(=O)Nc1cccc(C)n1)C1CCCCC1
c: CC1Cc2ccccc2N1C(=S)NC(=O)C1(C)CC1(Cl)Cl
d: Cc1coc2c1c(C)cc1oc(=O)c(CC(=O)N[C@@H](CC(C)C)C(=O)O)c(C)c12
Answer: b. CCOC(=O)C(C(=O)Nc1cccc(C)n1)C1CCCCC1
{#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)C(C(=O)Nc1cccc(C)n1)C1CCCCC1
CCOC(=O)C(C(=O)Nc1cccc(C)n1)C1CCCCC1
ethyl 2-cyclohexyl-3-[(6-methylpyridin-2-yl)amino]-3-oxopropanoate