Task: Answer the MCQ question.
Question: Which drug exhibits a 2.947\% 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 CCSc1nnc(NC(=O)[C@@H](NC(=O)c2ccccc2)C(C)C)s1
b O=C(COc1ccccc1[N+](=O)[O-])N/N=C/c1ccc(OC(=O)c2ccco2)cc1
c COC(=O)c1cc(S(=O)(=O)NCC2CCN(Cc3ccc(Cl)cc3)CC2)cn1C
d COC(=O)c1ccc(CN2CCc3ccc(NC(=O)c4ccncc4)cc3C2)cc1
Answer: b. O=C(COc1ccccc1[N+](=O)[O-])N/N=C/c1ccc(OC(=O)c2ccco2)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#}
O=C(COc1ccccc1[N+](=O)[O-])N/N=C/c1ccc(OC(=O)c2ccco2)cc1
O=C(COc1ccccc1[N+](=O)[O-])N/N=C/c1ccc(OC(=O)c2ccco2)cc1
[4-[(E)-[[2-(2-nitrophenoxy)acetyl]hydrazinylidene]methyl]phenyl] furan-2-carboxylate