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. Cn1nc(-c2ccccc2)c2conc2c1=O
b. CCC(Cc1c(I)cc(I)c(O)c1I)C(=O)O
c. CCCc1ccc(C=O)cc1
d. C=CC(C)(CCC=C(C)C)OC(=O)c1ccccc1N
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}