Task: Answer the multiple choice question.
Query: Which drug exhibits a 4.806\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) S=C(Nc1ccc(Cl)cc1)NC1CCN(Cc2ccccc2)CC1
(b) c1csc(-c2nnc(NC3CCCCC3)c3ccccc23)c1
Answer: a. S=C(Nc1ccc(Cl)cc1)NC1CCN(Cc2ccccc2)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#}
S=C(Nc1ccc(Cl)cc1)NC1CCN(Cc2ccccc2)CC1
S=C(Nc1ccc(Cl)cc1)NC1CCN(Cc2ccccc2)CC1
1-(1-benzylpiperidin-4-yl)-3-(4-chlorophenyl)thiourea