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, d, or e without using any other words.
Options:
a. c1ccc2ccccc2c1
b. O=C(Cc1ccccc1)OC1=C(OC(=O)Cc2ccccc2)C(=O)OC1=O
c. O=C(OOC(=O)c1ccccc1)c1ccccc1
d. NNC(=O)CSc1cc(Oc2ccc(F)cc2)ncn1
e. COc1c(Cl)c(Cl)c([N+](=O)[O-])c(Cl)c1Cl
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}