Problem statement: Answer the MCQ question.
Query: Which drug has a 2.876\% 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) CCCC(=O)N(CCN(Cc1ccccc1)C(=O)CCC)Cc1ccccc1
(b) [Cl-].c1ccc(-c2c[nH]c3[n+]2CCCCC3)cc1
(c) CN1C(=O)/C(=C2\SC(=S)N(NC(=O)c3cccnc3)C2=O)c2ccccc21
Answer: b. [Cl-].c1ccc(-c2c[nH]c3[n+]2CCCCC3)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#}
[Cl-].c1ccc(-c2c[nH]c3[n+]2CCCCC3)cc1
[Cl-].c1ccc(-c2c[nH]c3[n+]2CCCCC3)cc1
3-phenyl-1,5,6,7,8,9-hexahydroimidazo[1,2-a]azepin-4-ium;chloride