Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 18.073\% 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, d, or e without using any other words.
Options:
[a] CS(=O)(=O)NNC(=O)Cn1nnc(-c2cc(C(F)(F)F)cc(C(F)(F)F)c2)n1
[b] O=[N+]([O-])c1ccc(Nc2cccc(F)c2)nc1
[c] O=C(NCc1n[nH]c(=S)n1-c1ccccc1)c1ccc(S(=O)(=O)N2CCCCC2)cc1
[d] C[n+]1ccccc1N1CCN(c2ccccc2Cl)CC1.[I-]
[e] C/C(CC(=O)Nc1cccc(F)c1)=N\NC(=O)c1ccncc1
Answer: b. O=[N+]([O-])c1ccc(Nc2cccc(F)c2)nc1
{#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=[N+]([O-])c1ccc(Nc2cccc(F)c2)nc1
O=[N+]([O-])c1ccc(Nc2cccc(F)c2)nc1
N-(3-fluorophenyl)-5-nitropyridin-2-amine