Task: Answer the multiple choice question.
Question: Which compound exhibits a 16.867\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(Cc1cccc2ccccc12)NCC(=O)Nc1ccccc1F
[b] NC(=O)COc1cc2oc(=O)c3c(c2cc1Cl)CCCC3
Answer: b. NC(=O)COc1cc2oc(=O)c3c(c2cc1Cl)CCCC3
{#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#}
NC(=O)COc1cc2oc(=O)c3c(c2cc1Cl)CCCC3
NC(=O)COc1cc2oc(=O)c3c(c2cc1Cl)CCCC3
2-[(2-chloro-6-oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl)oxy]acetamide