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: CN(SSN(C)C(=O)ON=C1CSCCS1)C(=O)ON=C1CSCCS1
b: CCCCC(CC)CN(CCO)CC(CC)CCCC
c: FCOC(C(F)(F)F)C(F)(F)F
d: CCCCC(CC)COC(=O)C(CC)CCCC
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}