Task: Answer the multiple-choice question.
Query: Which compound exhibits a -6.320\% 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 additional words.
Options:
a: CCOC(=O)c1c(-c2ccccc2)oc2ccc(O)c(CN3CCCC3)c12
b: O=C(NCC1CCCN(Cc2cccc(C(F)(F)F)c2)C1)c1ccc(F)cc1
Answer: a. CCOC(=O)c1c(-c2ccccc2)oc2ccc(O)c(CN3CCCC3)c12
{#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)c1c(-c2ccccc2)oc2ccc(O)c(CN3CCCC3)c12
CCOC(=O)c1c(-c2ccccc2)oc2ccc(O)c(CN3CCCC3)c12
ethyl 5-hydroxy-2-phenyl-4-(pyrrolidin-1-ylmethyl)-1-benzofuran-3-carboxylate