Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.444\% 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) CC1(C(=O)N/N=C/c2ccc([N+](=O)[O-])o2)CC1(Br)Br
b) CCOC(=O)c1cnn2c1[nH]c(=O)c1ccccc12
c) Cc1cc(C)c(NC(=S)N(CCN(C)C)Cc2cccs2)c(C)c1
d) COCCN1C(=O)C(=O)/C(=C(/O)c2ccc(S(=O)(=O)N3CCCCC3)cc2)C1c1ccc(OC)c(OC)c1
Answer: b. CCOC(=O)c1cnn2c1[nH]c(=O)c1ccccc12
{#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)c1cnn2c1[nH]c(=O)c1ccccc12
CCOC(=O)c1cnn2c1[nH]c(=O)c1ccccc12
ethyl 5-oxo-4H-pyrazolo[1,5-a]quinazoline-3-carboxylate