Task: Answer the MCQ question.
Question: Which compound exhibits a 20.373\% 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.) CC1(C)Cc2sc3c(=O)[nH]c(=S)[nH]c3c2CO1
b.) O=C(Cn1c2[n+](c3ccc(C(F)(F)F)cc31)CCCCC2)Nc1ccc(Br)cc1.[Cl-]
c.) COC(=O)c1cccc(NC(=O)/C=C/c2ccc3c(c2)OCO3)c1
Answer: b. O=C(Cn1c2[n+](c3ccc(C(F)(F)F)cc31)CCCCC2)Nc1ccc(Br)cc1.[Cl-]
{#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(Cn1c2[n+](c3ccc(C(F)(F)F)cc31)CCCCC2)Nc1ccc(Br)cc1.[Cl-]
O=C(Cn1c2[n+](c3ccc(C(F)(F)F)cc31)CCCCC2)Nc1ccc(Br)cc1.[Cl-]
N-(4-bromophenyl)-2-[3-(trifluoromethyl)-7,8,9,10-tetrahydro-6H-azepino[1,2-a]benzimidazol-11-ium-5-yl]acetamide;chloride