Task: Answer the MCQ question.
Query: Which drug exhibits a 4.603\% 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. O=C(CC1SC2=NCCN2C1=O)Nc1ccccc1
b. O=C([O-])C(CCCCNS(=O)(=O)c1ccc(F)cc1)NS(=O)(=O)c1ccc(F)cc1.[K+]
Answer: a. O=C(CC1SC2=NCCN2C1=O)Nc1ccccc1
{#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#}
O=C(CC1SC2=NCCN2C1=O)Nc1ccccc1
O=C(CC1SC2=NCCN2C1=O)Nc1ccccc1
2-(3-oxo-5,6-dihydroimidazo[2,1-b][1,3]thiazol-2-yl)-N-phenylacetamide