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. Cc1cccc(NC(=O)c2ccccc2C(=O)O)c1
b. Cc1cn(C2C=CC(CO)O2)c(=O)[nH]c1=O
c. O=C=NCCOC(=O)C1C2C=CC(C2)C1C(=O)OCCN=C=O
d. OC(c1ccc(Cl)cc1)(c1ccc(Cl)cc1)C(Cl)(Cl)Cl
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}