Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 18.545\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a) COCCn1c(=O)[nH]c2cc(C(=O)NC3CCCCCC3)ccc2c1=O
b) O=c1oc(-c2ccccc2)nc2sc3c(c12)CCCC3
c) CCONC(=O)Nc1ccccc1
Answer: b. O=c1oc(-c2ccccc2)nc2sc3c(c12)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#}
2-phenyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d][1,3]oxazin-4-one