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, c, or d without using any additional words.
Options:
a. C=CC1OCC2(CO1)COC(C=C)OC2
b. NS(=O)(=O)c1ccccc1
c. CCOP(=O)(OCC)SCn1nc(Cl)c(C)cc1=O
d. CCCSP(=S)(OCC)Oc1ccc(SC)cc1
Answer: a
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}