Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, or c without using any other words.
Options:
a. O=C(c1ccccc1)N1CCN=C1Nc1c(Cl)cccc1Cl
b. CCOP(=S)(OCC)Oc1ccc(C#N)cc1
c. O=C(Cc1c[nH]c2ccccc12)NN1C(=O)CSC1=S
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}