Problem statement: Answer the multiple choice question.
Query: Which drug has a 18.907\% 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)c1c(C)[nH]c(C(=O)N2CCN(CC)CC2)c1C
(b) CCC(C(=O)OCC(=O)Nc1ccc(C(=O)Nc2ccc(OC)cc2)cc1)c1ccccc1
Answer: a. CCOC(=O)c1c(C)[nH]c(C(=O)N2CCN(CC)CC2)c1C
{#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)c1c(C)[nH]c(C(=O)N2CCN(CC)CC2)c1C
CCOC(=O)c1c(C)[nH]c(C(=O)N2CCN(CC)CC2)c1C
ethyl 5-(4-ethylpiperazine-1-carbonyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate