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 other words.
Options:
(a) CNCC(O)c1cccc(O)c1
(b) COP(=S)(OC)Oc1ccc(C#N)cc1Cl
(c) COc1ccc(C)cc1N
(d) COP(=S)(OC)SCn1nnc2ccccc2c1=O
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}