Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 0.191\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: COc1cccc(-n2c(Cc3cc(=O)[nH]c(=O)[nH]3)nnc2SCC(=O)NC2CCCC2)c1
b: COc1cc(O)c(C(CC(=O)N2CCN(c3ccccc3)CC2)c2ccc(N(C)C)cc2)c(OC)c1
c: CC(C)C(=O)Nc1ccc2c(c1)nc(CCN1CCN(C)CC1)n2C
Answer: c. CC(C)C(=O)Nc1ccc2c(c1)nc(CCN1CCN(C)CC1)n2C
{#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#}
CC(C)C(=O)Nc1ccc2c(c1)nc(CCN1CCN(C)CC1)n2C
CC(C)C(=O)Nc1ccc2c(c1)nc(CCN1CCN(C)CC1)n2C
2-methyl-N-[1-methyl-2-[2-(4-methylpiperazin-1-yl)ethyl]benzimidazol-5-yl]propanamide