Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a CCCOP(=S)(CC)SCN1C(=O)c2ccccc2C1=O
b O=c1ccc2ccc3occc3c2o1
c CCCCC1CCC(=O)O1
d O=C=NCCOC(=O)C1CC=CCC1C(=O)OCCN=C=O
e Cn1c([N+](=O)[O-])cnc1COC(N)=O
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}