Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.957\% 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 additional words.
Options:
a. COc1ccc(S(=O)(=O)N2CCOCC2)cc1NC(=O)CSc1ncnc2ccccc12
b. COc1ccc(NC(=O)c2cn3c(nc4ccccc43)c(C#N)c2C)cc1
c. O=C(c1ccco1)N(Cc1ccc2c(c1)OCO2)Cc1cc2cc3c(cc2[nH]c1=O)OCO3
Answer: b. COc1ccc(NC(=O)c2cn3c(nc4ccccc43)c(C#N)c2C)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#}
COc1ccc(NC(=O)c2cn3c(nc4ccccc43)c(C#N)c2C)cc1
COc1ccc(NC(=O)c2cn3c(nc4ccccc43)c(C#N)c2C)cc1
4-cyano-N-(4-methoxyphenyl)-3-methylpyrido[1,2-a]benzimidazole-2-carboxamide