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, or d without using any other words.
Options:
a.) CC12CC=CCC1C(=O)OC2=O
b.) CC(C)c1c(C(=O)c2cccnc2)c2ccccc2n1C
c.) O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
d.) Clc1ccc(Cc2ccc(Cl)cc2)cc1
Answer: a
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}