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, d, or e without using any other words.
Options:
[a] CCOP(=S)(OCC)SCSCC
[b] CCSCCSP(=O)(OC)OC
[c] CCCCS
[d] C[N+](C)([O-])c1ccc(N=Nc2ccccc2)cc1
[e] CCC=C(C)CO
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}