Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. CCOC(C1=NCCCN1)c1cccc(F)c1
b. CCCOC(=O)COc1cccc(C(C)(C)C)c1
c. COc1ccc(CCl)cc1OC
d. CCP(=S)(OC)Sc1ccc(C)cc1
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}