Task: Answer the MCQ question.
Question: Which drug exhibits a 13.171\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] [O-]/[N+](=C\c1ccco1)c1ccc(Cl)cc1
[b] COc1cc2c(cc1OC)-c1cc(NC3CCCC3)nc(=O)n1CC2
[c] CCCC1=Nc2cc(C(=O)NCCCOCC)ccc2Sc2ccccc21
[d] COc1ccc(OCc2nn3c(Cn4cnc5ccccc54)nnc3s2)cc1
Answer: a. [O-]/[N+](=C\c1ccco1)c1ccc(Cl)cc1
{#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#}
N-(4-chlorophenyl)-1-(furan-2-yl)methanimine oxide