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, or c without using any other words.
Options:
[a] C=C(Cl)C#N
[b] Fc1cc2[nH]c(C(F)(F)F)nc2c(Br)c1Cl
[c] CN1C(=O)CN=C(c2ccccc2F)c2cc(Cl)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}