Task: Answer the MCQ question.
Query: Which drug has a 9.887\% 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(CC1C(=O)NCCN1CC1CCCCC1)NCc1ccccc1Cl
b: COC(=O)NCC(c1cccnc1)N1CCN(c2ccccc2)CC1
Answer: a. O=C(CC1C(=O)NCCN1CC1CCCCC1)NCc1ccccc1Cl
{#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(CC1C(=O)NCCN1CC1CCCCC1)NCc1ccccc1Cl
O=C(CC1C(=O)NCCN1CC1CCCCC1)NCc1ccccc1Cl
N-[(2-chlorophenyl)methyl]-2-[1-(cyclohexylmethyl)-3-oxopiperazin-2-yl]acetamide