Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
a: CCOP(=O)(OCC)OC(=CC(=O)OC)CC(=O)OC
b: CCCCC(CC)COCCC#N
c: CC(=O)C(Cl)C(=O)N(C)C
d: CC(C)C(=O)OC1CCC(N2CCCCC2)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}