Task: Answer the multiple-choice question.
Query: Which compound exhibits a 2.322\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Cc1ccc(C(=O)OC(C)C(=O)NC2CCCCC2C)cc1S(=O)(=O)N1CCCCC1
b COC(=O)C1=C(C)n2nnnc2NC1c1ccc(Cl)cc1
Answer: b. COC(=O)C1=C(C)n2nnnc2NC1c1ccc(Cl)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#}
COC(=O)C1=C(C)n2nnnc2NC1c1ccc(Cl)cc1
COC(=O)C1=C(C)n2nnnc2NC1c1ccc(Cl)cc1
methyl 5-(4-chlorophenyl)-7-methyl-4,5-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate