Task: Answer the multiple-choice question.
Query: Which compound exhibits a 3.269\% 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)CC(=O)c1cc(OC)c(OC)c(OC)c1
[b] CCCOC(=O)c1ccccc1C(=O)OCCC
[c] Cc1oc2c(CN3CCCC3)c(O)ccc2c(=O)c1Oc1ccccc1Br
[d] C=C(C)Cn1c(N2CCC(Cc3ccccc3)CC2)nc2c1c(=O)[nH]c(=O)n2C
Answer: b. CCCOC(=O)c1ccccc1C(=O)OCCC
{#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#}
CCCOC(=O)c1ccccc1C(=O)OCCC
CCCOC(=O)c1ccccc1C(=O)OCCC
dipropyl benzene-1,2-dicarboxylate