Task: Answer the MCQ question.
Query: Which compound exhibits a 4.875\% 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 other words.
Options:
a. COc1ccc(OCC(=O)NCC(c2cccs2)N2CCOCC2)cc1
b. Cc1cccc(Nc2cc(=O)[nH]c(=O)[nH]2)c1
c. Cc1ccc(OCC(=O)NC2CCS(=O)(=O)C2)c(C)c1
d. CCOC(=O)CC1C(=O)NCCN1C(=O)Nc1ccccc1
Answer: d. CCOC(=O)CC1C(=O)NCCN1C(=O)Nc1ccccc1
{#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#}
CCOC(=O)CC1C(=O)NCCN1C(=O)Nc1ccccc1
CCOC(=O)CC1C(=O)NCCN1C(=O)Nc1ccccc1
ethyl2-[3-oxo-1-(phenylcarbamoyl)piperazin-2-yl]acetate