Problem statement: Answer the multiple choice question.
Query: Which drug has a 3.504\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COC(=O)NNC(=S)NCc1ccc(C)cc1
(b) Cc1ccc(-n2c(SCc3nc4ccccc4c(=O)[nH]3)nnc2-c2ccccc2O)cc1
Answer: a. COC(=O)NNC(=S)NCc1ccc(C)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#}
COC(=O)NNC(=S)NCc1ccc(C)cc1
COC(=O)NNC(=S)NCc1ccc(C)cc1
methylN-[(4-methylphenyl)methylcarbamothioylamino]carbamate