Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.160\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(Cn1cnc2scc(-c3ccccc3)c2c1=O)N1CCOCC1
b: COc1ccc(-c2oc3ccc(-c4cc(OC)c(OC)c(OC)c4)cc3c2C#Cc2ccsc2)cc1
Answer: a. O=C(Cn1cnc2scc(-c3ccccc3)c2c1=O)N1CCOCC1
{#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#}
O=C(Cn1cnc2scc(-c3ccccc3)c2c1=O)N1CCOCC1
O=C(Cn1cnc2scc(-c3ccccc3)c2c1=O)N1CCOCC1
3-(2-morpholin-4-yl-2-oxoethyl)-5-phenylthieno[2,3-d]pyrimidin-4-one