Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
[a] FC1(F)C(Cl)=C(Cl)C(F)(F)C1(F)F
[b] CC1CC(C)OP(=O)(Cl)O1
[c] CN1C(=O)CN=C(c2ccccc2)c2cc(Cl)ccc21
[d] CCC(C)NC(=S)C(=S)NC(C)CC
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}