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, or c without using any additional words.
Options:
a CC1(C)C2CCC1(C)C(O)C2
b NS(=O)(=O)c1cc2c(cc1Cl)N=CNS2(=O)=O
c CC(=O)OC1c2cccc(O)c2C(=O)c2c(O)cccc21
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}