Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
[a] O=[N+]([O-])c1cc(C2CCCCC2)c(O)c([N+](=O)[O-])c1
[b] CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl
[c] Cc1nc([N+](=O)[O-])cn1-c1ccc([N+](=O)[O-])cc1
[d] OCC1CCc2cc(C3CCCCC3)ccc21
Answer: c
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}