Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.546\% 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, or d without using any other words.
Options:
a) O=C(c1ccccn1)c1conc1C(=O)c1ccc(Br)cc1
b) CC(=O)Oc1ccc(C(=O)Cc2ccccn2)c(O)c1
c) COC(=O)c1[nH]c2ccccc2c1NC(=O)CN1CCN(Cc2ccc3c(c2)OCO3)CC1
d) COCc1nnc(N)s1
Answer: d. COCc1nnc(N)s1
{#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#}
5-(methoxymethyl)-1,3,4-thiadiazol-2-amine