Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 2.576\% 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) CCN1CCN(S(=O)(=O)Cc2ccccc2Cl)CC1
b) CCC(C)C(=O)Nc1ccccc1N1CCN(c2ccc(F)cc2)CC1
c) N#C/C(=C(/O)COc1cccc2ccccc12)c1nc2ccccc2[nH]1
d) CCCCn1c(=O)n(CC(=O)Nc2c(CC)cccc2CC)c(=O)c2c1nc(CO)n2CCC
Answer: d. CCCCn1c(=O)n(CC(=O)Nc2c(CC)cccc2CC)c(=O)c2c1nc(CO)n2CCC
{#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#}
CCCCn1c(=O)n(CC(=O)Nc2c(CC)cccc2CC)c(=O)c2c1nc(CO)n2CCC
CCCCn1c(=O)n(CC(=O)Nc2c(CC)cccc2CC)c(=O)c2c1nc(CO)n2CCC
2-[3-butyl-8-(hydroxymethyl)-2,6-dioxo-7-propylpurin-1-yl]-N-(2,6-diethylphenyl)acetamide