Task: Answer the multiple choice question.
Question: Which drug has a 1.538\% 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.) CSCc1ccc(C(=O)NCC(c2cccs2)N2CCOCC2)cc1
b.) CCOC(=O)N1CCN(C(=O)C2CCCCC2)CC1
c.) Cc1cc(C)c(S(=O)(=O)c2ccccc2C)c(OCCO)n1
d.) O=C(OCC(=O)N1CCCC1)c1ccc(Cl)c([N+](=O)[O-])c1
Answer: b. CCOC(=O)N1CCN(C(=O)C2CCCCC2)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#}
CCOC(=O)N1CCN(C(=O)C2CCCCC2)CC1
CCOC(=O)N1CCN(C(=O)C2CCCCC2)CC1
ethyl4-(cyclohexanecarbonyl)piperazine-1-carboxylate