Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -26.894\% 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 additional words.
Options:
a COc1cccc(OC)c1NC(=O)Cc1nn(C)c(=O)c2ccccc12
b CCOC(=O)C1CCCN(C(=O)c2cncc(Br)c2)C1
c CCOc1ccc(CNc2ccc3c(c2)ncn3C)cc1
d COCCNC(=O)CSc1nnc2c(Cl)cc(Cl)cn12
Answer: c. CCOc1ccc(CNc2ccc3c(c2)ncn3C)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#}
CCOc1ccc(CNc2ccc3c(c2)ncn3C)cc1
CCOc1ccc(CNc2ccc3c(c2)ncn3C)cc1
N-[(4-ethoxyphenyl)methyl]-1-methylbenzimidazol-5-amine