Task: Answer the MCQ question.
Query: Which compound has a 6.401\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COC(=O)c1ccccc1NC(=O)c1ccc(COc2cccc3ccccc23)o1
b. COc1cc(S(=O)(=O)N2CCCCC2)ccc1NC(=O)c1ccc(F)cc1
c. CCC1=[N+](CC(=O)c2ccc(C)cc2)CCn2c(C)ccc21.[Br-]
d. Cc1cc(C)n(-c2ncnc3sc4c(c23)CCCC4)n1
Answer: c. CCC1=[N+](CC(=O)c2ccc(C)cc2)CCn2c(C)ccc21.[Br-]
{#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#}
CCC1=[N+](CC(=O)c2ccc(C)cc2)CCn2c(C)ccc21.[Br-]
CCC1=[N+](CC(=O)c2ccc(C)cc2)CCn2c(C)ccc21.[Br-]
2-(1-ethyl-6-methyl-3,4-dihydropyrrolo[1,2-a]pyrazin-2-ium-2-yl)-1-(4-methylphenyl)ethanone;bromide