Task: Answer the MCQ question.
Question: Which compound has a 5.365% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=c1oc2ccccc2cc1NCc1ccccc1O
(b) COc1ccc(Cc2nnc(NC(=O)c3cccc(C)c3)s2)cc1
Answer: a. O=c1oc2ccccc2cc1NCc1ccccc1O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1oc2ccccc2cc1NCc1ccccc1O
O=c1oc2ccccc2cc1NCc1ccccc1O
3-[(2-hydroxyphenyl)methylamino]chromen-2-one