Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.895\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CCc1ccc(S(=O)(=O)Nc2c(NC3CCCCC3)c3ccccc3oc2=O)cc1
b S=C(NCc1ccncc1)NC1CCCC1
c CC(C)[C@H](NC(=O)c1ccccc1Cl)C(=O)Nc1nc(-c2ccccn2)cs1
d CC12CN3CC(C)(CN(C1)C3c1ccccc1F)C2
e CN1CC(=O)N2C(c3ccc(Cl)cc3)c3[nH]c4ccccc4c3C[C@H]2C1=O
Answer: b. S=C(NCc1ccncc1)NC1CCCC1
{#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#}
S=C(NCc1ccncc1)NC1CCCC1
S=C(NCc1ccncc1)NC1CCCC1
1-cyclopentyl-3-(pyridin-4-ylmethyl)thiourea