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. O=C(CCCN1CCN(c2ccccn2)CC1)c1ccc(F)cc1
b. C=C(C)C(=O)O
c. NCCN1CCOCC1
d. CCOP(=S)(OCC)OC(C)=CC(=O)OC
Answer: c
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}