Task: Answer the multiple choice question.
Question: Which compound exhibits a 1.419\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CC(C)(C)Cc1nnc(NC(=O)CN2C(=O)c3ccccc3C2=O)s1
[b] CCOC(=O)N1CCN(C(=O)C2CCN(S(=O)(=O)c3ccc(F)cc3)CC2)CC1
[c] O=C(c1cccs1)N1CCC(c2nc(-c3ccc(S(=O)(=O)N4CCOCC4)cc3)no2)CC1
[d] O=C(CCC(=O)OCC(=O)c1ccc(-c2ccccc2)cc1)Nc1cccc(Cl)c1
Answer: d. O=C(CCC(=O)OCC(=O)c1ccc(-c2ccccc2)cc1)Nc1cccc(Cl)c1
{#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#}
O=C(CCC(=O)OCC(=O)c1ccc(-c2ccccc2)cc1)Nc1cccc(Cl)c1
O=C(CCC(=O)OCC(=O)c1ccc(-c2ccccc2)cc1)Nc1cccc(Cl)c1
N-(3-chlorophenyl)-4-oxo-4-[2-oxo-2-(4-phenylphenyl)ethoxy]butanamide