Task: Answer the multiple-choice question.
Query: Which drug has a 4.341\% 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: CCN(CC)S(=O)(=O)c1ccc(-c2nnc(SCC(=O)N3CCOCC3)o2)cc1
b: COC(=O)Cc1c(C)c2ccc(OC(C)C)cc2oc1=O
Answer: b. COC(=O)Cc1c(C)c2ccc(OC(C)C)cc2oc1=O
{#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)Cc1c(C)c2ccc(OC(C)C)cc2oc1=O
COC(=O)Cc1c(C)c2ccc(OC(C)C)cc2oc1=O
methyl 2-(4-methyl-2-oxo-7-propan-2-yloxychromen-3-yl)acetate