Task: Answer the multiple-choice question.
Question: Which compound has a 9.745\% 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: COc1ccc(-c2cn[nH]c2-c2ccc(O)cc2O)cc1
b: CCCCCn1c(=O)[nH]c2cc(C(=O)NCCCN3CCC(C)CC3)ccc2c1=O
Answer: a. COc1ccc(-c2cn[nH]c2-c2ccc(O)cc2O)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#}
COc1ccc(-c2cn[nH]c2-c2ccc(O)cc2O)cc1
COc1ccc(-c2cn[nH]c2-c2ccc(O)cc2O)cc1
4-[4-(4-methoxyphenyl)-1H-pyrazol-5-yl]benzene-1,3-diol