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, or d without using any additional words.
Options:
a CC=CC=CCOCCO
b CC1(C)CON(Cc2ccccc2Cl)C1=O
c CC1CCCCN1CCCOC(=O)c1ccc(Cl)c(Cl)c1
d CC(C)=CCC1=C(O)C(C(=O)CC(C)C)=C(O)C(CC=C(C)C)(CC=C(C)C)C1=O
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}