Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 8.774\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCN1CCN(C(=S)c2ccc(-c3ccccc3)cc2)CC1
b: CN1CCN(C(=O)c2ccc(-c3cccs3)s2)CC1
c: Cc1ccc(C2=NCCn3c2c2ccccc2[n+]3[O-])cc1
d: O=C(COc1ccc2c3c(c(=O)oc2c1)CCC3)c1ccc2c(c1)OCO2
Answer: a. CCN1CCN(C(=S)c2ccc(-c3ccccc3)cc2)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#}
CCN1CCN(C(=S)c2ccc(-c3ccccc3)cc2)CC1
CCN1CCN(C(=S)c2ccc(-c3ccccc3)cc2)CC1
(4-ethylpiperazin-1-yl)-(4-phenylphenyl)methanethione