Problem statement: Answer the multiple choice question.
Question: Which drug has a 2.867\% 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, or d without using any other words.
Options:
[a] Nc1ccc(Oc2ccc3nc(-c4ccccc4)c(-c4ccc([N+](=O)[O-])cc4)nc3c2)cc1
[b] COc1cccc(-n2c([S-])c(C(=O)Nc3ccc(C(F)(F)F)cc3)[n+]3ccccc23)c1
[c] Cc1ccc(NC(=O)C2CCN(C(=O)c3ccc(Cl)cc3)CC2)nc1
[d] CCCNc1sc(S(=O)(=O)CCC)nc1S(=O)(=O)c1ccc(C)cc1
Answer: a. Nc1ccc(Oc2ccc3nc(-c4ccccc4)c(-c4ccc([N+](=O)[O-])cc4)nc3c2)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#}
Nc1ccc(Oc2ccc3nc(-c4ccccc4)c(-c4ccc([N+](=O)[O-])cc4)nc3c2)cc1
Nc1ccc(Oc2ccc3nc(-c4ccccc4)c(-c4ccc([N+](=O)[O-])cc4)nc3c2)cc1
4-[3-(4-nitrophenyl)-2-phenylquinoxalin-6-yl]oxyaniline