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 additional words.
Options:
a.) CCCCc1c(OC(=O)C23CC4CC(CC(C4)C2)C3)n(-c2ccccc2)n(-c2ccccc2)c1=O
b.) O=C(O)Cc1ccc2c(c1)C(=O)c1ccccc1CN2
c.) COc1ccc2c(c1)c(CC(=O)Oc1ccccc1C(=O)Oc1ccccc1C(=O)O)c(C)n2C(=O)c1ccc(Cl)cc1
d.) ON=C1C=CC(=NO)C=C1
Answer: d
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}