Task: Answer the multiple choice question.
Query: Which compound has a 15.520\% 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 additional words.
Options:
a. Cc1ccc(NC(=O)Cc2ccc(Cl)cc2)nc1
b. CCCCn1c(=S)[nH]c2ccc(N3CCOCC3)cc2c1=O
c. CC(=O)NCCc1ccc(S(=O)(=O)N2CCCC2)cc1
d. NNC(=O)c1cc(Cl)ccc1Cl
Answer: d. NNC(=O)c1cc(Cl)ccc1Cl
{#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#}
NNC(=O)c1cc(Cl)ccc1Cl
NNC(=O)c1cc(Cl)ccc1Cl
2,5-dichlorobenzohydrazide