Task: Answer the multiple-choice question.
Question: Which compound has a 13.900\% 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 or b without using any additional words.
Options:
a. O=C(NCc1ccc2c(c1)OCO2)Nc1ccc2ccccc2c1
b. Cc1ccc(S(=O)(=O)c2c(N)n(C)c3nc4ccccc4nc23)cc1
Answer: a. O=C(NCc1ccc2c(c1)OCO2)Nc1ccc2ccccc2c1
{#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(NCc1ccc2c(c1)OCO2)Nc1ccc2ccccc2c1
O=C(NCc1ccc2c(c1)OCO2)Nc1ccc2ccccc2c1
1-(1,3-benzodioxol-5-ylmethyl)-3-naphthalen-2-ylurea