Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
[a] O=C(Cl)C1C2C=CC(C2)C1C(=O)Cl
[b] CC(C(=O)O)c1ccc2c(c1)OCc1cc(Cl)ccc1C2=O
[c] N=C(N)NN=C1C=CC(=NNC(N)=S)C=C1
[d] NC(=O)Cc1c([O-])on[n+]1Cc1ccccc1
Answer: b
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}