Task: Answer the MCQ question.
Query: Which drug exhibits a 18.374% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1cc(C(=O)Nc2nnc(C(F)(F)F)s2)c([N+](=O)[O-])cc1OC
b: NCCCC(=O)O
c: CCCc1nnc(SCC(=O)N2CCCC2)n1Cc1ccco1
d: O=C(COc1ccccc1)N1CCCCCCC1
Answer: a. COc1cc(C(=O)Nc2nnc(C(F)(F)F)s2)c([N+](=O)[O-])cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1cc(C(=O)Nc2nnc(C(F)(F)F)s2)c([N+](=O)[O-])cc1OC
COc1cc(C(=O)Nc2nnc(C(F)(F)F)s2)c([N+](=O)[O-])cc1OC
4,5-dimethoxy-2-nitro-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]benzamide