Task: Answer the multiple-choice question.
Question: Which drug has a 6.643\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Cc1cc(C)cc(NC(=O)COC(=O)CN=C2NS(=O)(=O)c3ccccc32)c1
b: O=C(CC1C(=O)N(c2ccc(Cl)cc2)C(=S)N1CCc1ccncc1)Nc1ccc(F)cc1
Answer: b. O=C(CC1C(=O)N(c2ccc(Cl)cc2)C(=S)N1CCc1ccncc1)Nc1ccc(F)cc1
{#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(CC1C(=O)N(c2ccc(Cl)cc2)C(=S)N1CCc1ccncc1)Nc1ccc(F)cc1
O=C(CC1C(=O)N(c2ccc(Cl)cc2)C(=S)N1CCc1ccncc1)Nc1ccc(F)cc1
2-[1-(4-chlorophenyl)-5-oxo-3-(2-pyridin-4-ylethyl)-2-sulfanylideneimidazolidin-4-yl]-N-(4-fluorophenyl)acetamide