Task: Answer the MCQ question.
Query: Which drug has a 18.474% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. NC(=NCCc1ccccc1)NS(=O)(=O)c1ccc(F)cc1
b. CC1=C(C(=O)Nc2ccc(C(=O)N3CCN(c4cccc(Cl)c4)CC3)cc2)SCCO1
Answer: a. NC(=NCCc1ccccc1)NS(=O)(=O)c1ccc(F)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
NC(=NCCc1ccccc1)NS(=O)(=O)c1ccc(F)cc1
NC(=NCCc1ccccc1)NS(=O)(=O)c1ccc(F)cc1
1-(4-fluorophenyl)sulfonyl-2-(2-phenylethyl)guanidine