Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 20.375\% 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) O=C(c1cccc2ccccc12)C1CCCN(C(=O)CCc2cnccn2)C1
(b) CCS(=O)(=O)Nc1cc2c3c(c1)CCC(=O)N3CCC2
Answer: b. CCS(=O)(=O)Nc1cc2c3c(c1)CCC(=O)N3CCC2
{#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#}
CCS(=O)(=O)Nc1cc2c3c(c1)CCC(=O)N3CCC2
CCS(=O)(=O)Nc1cc2c3c(c1)CCC(=O)N3CCC2
N-(2-oxo-1-azatricyclo[7.3.1.05,13]trideca-5,7,9(13)-trien-7-yl)ethanesulfonamide