Task: Answer the multiple-choice question.
Query: Which drug has a 5.240\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Clc1ccc(C(c2ccccc2)N2CCNCC2)cc1
b Clc1cccc(/C=N/Nc2nnc(Cl)c3ccccc23)c1
c CCN(CC)C(=S)SCCC(=O)NC(=O)Oc1ccc(C)cc1
Answer: b. Clc1cccc(/C=N/Nc2nnc(Cl)c3ccccc23)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#}
4-chloro-N-[(E)-(3-chlorophenyl)methylideneamino]phthalazin-1-amine