Task: Answer the MCQ question.
Query: Which compound has a -5.266\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CC/C(=N\NS(=O)(=O)c1ccc(C)cc1)c1ccco1
b. CCN(CC)S(=O)(=O)c1ccc2nc(CCl)[nH]c2c1
c. COCCSc1nnc(NC(=O)C2CC(=O)N(c3ccc(Cl)cc3)C2)s1
Answer: b. CCN(CC)S(=O)(=O)c1ccc2nc(CCl)[nH]c2c1
{#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#}
CCN(CC)S(=O)(=O)c1ccc2nc(CCl)[nH]c2c1
CCN(CC)S(=O)(=O)c1ccc2nc(CCl)[nH]c2c1
2-(chloromethyl)-N,N-diethyl-3H-benzimidazole-5-sulfonamide