Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a: CCN(CC)C(=S)Sc1nc2ccccc2s1
b: CC(=O)OCCOC(C)=O
c: C=COCCO
d: CCOC(=O)CC(SP(=O)(OC)SC)C(=O)OCC
e: CC=CCl
Answer: c
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}