Task: Answer the MCQ question.
Query: Which drug has a -4.634\% 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. CCn1c(C)nc2cc(C(=O)NNC(=S)Nc3ccccc3)ccc21
b. CN(CC(=O)Nc1ccc(F)cc1)C(=O)COC(=O)Cc1cccs1
Answer: b. CN(CC(=O)Nc1ccc(F)cc1)C(=O)COC(=O)Cc1cccs1
{#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#}
CN(CC(=O)Nc1ccc(F)cc1)C(=O)COC(=O)Cc1cccs1
CN(CC(=O)Nc1ccc(F)cc1)C(=O)COC(=O)Cc1cccs1
[2-[[2-(4-fluoroanilino)-2-oxoethyl]-methylamino]-2-oxoethyl] 2-thiophen-2-ylacetate