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) CCCCN1C(=O)C2CC=CCC2C1=O
b) O=NN1CCSC1
c) Cc1c(N)nc(C)c2c1[nH]c1ccccc12
d) CCC(C)Cn1c(=O)n(C)c(=O)c2[nH]c(C)nc21
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}