Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 12.566\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)c1cnc(SCC(=O)Nc2nnc(CC)s2)nc1N
(b) CCOC(=O)C1=C(N)OC2=C(C(=O)CC(C)(C)C2)C1c1ccco1
Answer: a. CCOC(=O)c1cnc(SCC(=O)Nc2nnc(CC)s2)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(SCC(=O)Nc2nnc(CC)s2)nc1N
CCOC(=O)c1cnc(SCC(=O)Nc2nnc(CC)s2)nc1N
ethyl 4-amino-2-[2-[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]-2-oxoethyl]sulfanylpyrimidine-5-carboxylate