Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -12.435% 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=C1c2oc3ccccc3c(=O)c2C(c2cccnc2)N1CCCN1CCOCC1
(b) COc1cc(O)c(CCO)c2c1C(=O)C[C@@H](C)O2
Answer: b. COc1cc(O)c(CCO)c2c1C(=O)C[C@@H](C)O2
{#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#}
COc1cc(O)c(CCO)c2c1C(=O)C[C@@H](C)O2
COc1cc(O)c(CCO)c2c1C(=O)C[C@@H](C)O2
(2R)-7-hydroxy-8-(2-hydroxyethyl)-5-methoxy-2-methyl-2,3-dihydrochromen-4-one