Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.999\% human ether-à-go-go related gene (hERG) inhibition at 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=C(O)Cc1ccc(C(=O)c2cccs2)s1
b: CCCOc1ccc2c(=O)c(-c3cc(C(=O)OC)oc3C)c(C)oc2c1
c: CCOc1ccc(-n2cnnn2)cc1S(=O)(=O)NCCc1ccc(OC)c(OC)c1
d: O=c1[nH]c2ccccc2o1
e: Cc1ccc(C)c(OCCCCn2ccnc2)c1
Answer: d. O=c1[nH]c2ccccc2o1
{#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#}
3H-1,3-benzoxazol-2-one