Task: Answer the multiple choice question.
Question: Which drug exhibits a 12.750\% 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. COc1ccccc1N1CCN(CCN2C(=O)C3CCCCN3C2=O)CC1
b. S=c1[nH]nc(-c2n[nH]c3c2CCC3)n1/N=C/C=C/c1ccccc1
c. Cc1cc2[nH]c(=O)c(=O)[nH]c2cc1S(=O)(=O)N1CCN(c2ccccc2)CC1
d. CCC[N+](CC#Cc1ccccc1)(CCC)CC(=O)OC
Answer: a. COc1ccccc1N1CCN(CCN2C(=O)C3CCCCN3C2=O)CC1
{#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#}
COc1ccccc1N1CCN(CCN2C(=O)C3CCCCN3C2=O)CC1
COc1ccccc1N1CCN(CCN2C(=O)C3CCCCN3C2=O)CC1
2-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-6,7,8,8a-tetrahydro-5H-imidazo[1,5-a]pyridine-1,3-dione