Task: Answer the multiple-choice question.
Question: Which compound exhibits a 8.365\% 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, b, c, d, or e without using any other words.
Options:
a.) O=c1[nH]cnc2scc(-c3ccccc3)c12
b.) Fc1ccccc1CNc1ccc(Cl)c(Cl)c1
c.) CCCN(CCC)S(=O)(=O)c1ccc2c(c1)CCCN2C(C)=O
d.) Cc1[nH]n(-c2ccccc2)c(=O)c1N=Nc1ccccc1C(=O)N1CCOCC1
e.) Cc1nnc2n1CCCCC2
Answer: a. O=c1[nH]cnc2scc(-c3ccccc3)c12
{#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=c1[nH]cnc2scc(-c3ccccc3)c12
O=c1[nH]cnc2scc(-c3ccccc3)c12
5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one