Task: Answer the multiple choice question.
Question: Which drug has a 2.635\% 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. CCOC(=O)c1cnc(SCc2ccccc2)nc1N
b. COCCN(C(=S)Nc1cc(C)cc(C)c1)C(C)c1ccco1
Answer: a. CCOC(=O)c1cnc(SCc2ccccc2)nc1N
{#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#}
CCOC(=O)c1cnc(SCc2ccccc2)nc1N
CCOC(=O)c1cnc(SCc2ccccc2)nc1N
ethyl 4-amino-2-benzylsulfanylpyrimidine-5-carboxylate