Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a: CCC(=O)OC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
b: CN(CCCl)N=O
c: CC(C)=O
d: CCC(C)=NCCCCCCN=C(C)CC
e: O=C1c2ccccc2C(=O)N1SC1CCCCC1
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}