Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: COC(=O)C1=CCCN(C)C1
b: Clc1cc2c(cc1Cl)Oc1cc(Cl)c(Cl)cc1O2
c: CCC1NC(=O)C2C(Cl)C(Cl)CN2C(=O)C(CO)NC(=O)CC(c2ccccc2)NC(=O)C(CO)NC1=O
d: c1ccc(-c2cccc(-c3ccccc3)c2)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}