Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.700\% 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) CCc1cc(C(=O)OC)c(NC(=O)CN2CCN(C(=O)C3CCCO3)CC2)s1
(b) O=C(CNC(=O)c1ccco1)Nc1ccc2c(c1)OCCO2
Answer: b. O=C(CNC(=O)c1ccco1)Nc1ccc2c(c1)OCCO2
{#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#}
O=C(CNC(=O)c1ccco1)Nc1ccc2c(c1)OCCO2
O=C(CNC(=O)c1ccco1)Nc1ccc2c(c1)OCCO2
N-[2-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-2-oxoethyl]furan-2-carboxamide