Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -18.391\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCC(C)(C)NC(=O)CN(C(=O)CNS(=O)(=O)c1ccccc1)c1ccc2c(c1)OCCO2
(b) CCOC(=O)CCC(=O)c1c(C)oc2ccc(OC)cc12
Answer: b. CCOC(=O)CCC(=O)c1c(C)oc2ccc(OC)cc12
{#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)CCC(=O)c1c(C)oc2ccc(OC)cc12
CCOC(=O)CCC(=O)c1c(C)oc2ccc(OC)cc12
ethyl 4-(5-methoxy-2-methyl-1-benzofuran-3-yl)-4-oxobutanoate