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] COC(=O)C1CCc2cc(C3CCCCC3)ccc21
[b] CC1(C)C(C=C(Cl)Cl)C1C(=O)OCc1c(F)c(F)c(F)c(F)c1F
[c] S=C1NCCNC(=S)S1
[d] O=C1CNC(=S)N1
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}