Task: Answer the MCQ question.
Query: Which drug exhibits a 5.221\% 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] CCOC(=O)c1cc(-c2ccccc2)n(CCC(=O)N2CCN(c3ccc(OC)cc3)CC2)c1C
[b] CCOc1c(Cl)cc(/C=N/O)cc1OC
[c] Cc1c(Cl)cccc1NC(=O)CSC(N)=O
[d] O=C(O)C(=O)O.O=[N+]([O-])c1ccc(CNC2CCCc3ccccc32)cc1
Answer: d. O=C(O)C(=O)O.O=[N+]([O-])c1ccc(CNC2CCCc3ccccc32)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-nitrophenyl)methyl]-1,2,3,4-tetrahydronaphthalen-1-amine;oxalic acid