Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -0.833\% 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 C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(OC5CCCC5)ccc4[C@H]3CC[C@@]21C
b CCN(CC)CC(=O)N1c2ccccc2Sc2ccccc21
c NC(=O)c1ccc(Nc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1
d COC(=O)Cn1c(=NC(=O)c2ccc(S(=O)(=O)N3CCOCC3)cc2)sc2cc(S(N)(=O)=O)ccc21
Answer: c. NC(=O)c1ccc(Nc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])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#}
NC(=O)c1ccc(Nc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1
NC(=O)c1ccc(Nc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1
4-(2,4-dinitroanilino)benzamide