Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.987\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CC(C(=O)NCC1CCCCC1)N1CCc2ccccc2C1
b: CC1CCCN(CCOc2cccc(Oc3ccccc3)c2)C1.O=C(O)C(=O)O
c: CS(=O)(=O)N(CC(=O)NCc1ccc2c(c1)OCO2)Cc1ccc(Cl)cc1
d: CCCN(CCC)c1nc(Cl)nc(NCCN2CCOCC2)n1
Answer: a. CC(C(=O)NCC1CCCCC1)N1CCc2ccccc2C1
{#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#}
CC(C(=O)NCC1CCCCC1)N1CCc2ccccc2C1
CC(C(=O)NCC1CCCCC1)N1CCc2ccccc2C1
N-(cyclohexylmethyl)-2-(3,4-dihydro-1H-isoquinolin-2-yl)propanamide