Task: Answer the multiple choice question.
Question: Which drug exhibits a 11.139\% 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(NCCc1ccccc1)Nc1ccc(N2CCCCC2)cc1
b. CNC(=O)CC1C(=O)N(c2ccc(F)cc2)C(=S)N1NC(=O)c1ccc(Br)cc1
Answer: a. S=C(NCCc1ccccc1)Nc1ccc(N2CCCCC2)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(NCCc1ccccc1)Nc1ccc(N2CCCCC2)cc1
S=C(NCCc1ccccc1)Nc1ccc(N2CCCCC2)cc1
1-(2-phenylethyl)-3-(4-piperidin-1-ylphenyl)thiourea