Problem statement: Answer the multiple choice question.
Question: Which compound has a 4.364\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(CCN1C(=O)C2CC=CCC2C1=O)Nc1ccccc1Cl
b CCOC(=O)CNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
c Cc1nn(C(=O)CCC(=O)NCCc2ccccc2)c2ccccc12
d O=S(=O)(Cc1ccccc1)N1CCN(Cc2ccc(F)cc2Cl)CC1
Answer: b. CCOC(=O)CNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
{#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)CNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
CCOC(=O)CNc1ccc(C(=O)OCC)cc1[N+](=O)[O-]
ethyl 4-[(2-ethoxy-2-oxoethyl)amino]-3-nitrobenzoate