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 additional words.
Options:
a: CCCCCCCCCc1ccc(O)cc1
b: O=C(COc1ccc(Cl)cc1Cl)OCC=CCCl
c: C(CCOCC1CO1)COCC1CO1
d: Cc1cccc(N=NN(C)C)c1
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}