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. C#CC1(O)CCC2C3CCC4=CC(=O)CCC4C3CCC21CC
b. COP(=O)(OC)OC(C)=CC(=O)N(C)C
c. C=CO
d. O=C(CCCN1CCN(c2ccccc2)CC1)c1ccc(F)cc1
e. Nc1cccc(-n2ccccc2=O)c1
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}