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) CC1(C)OCC(COC(=O)Cc2ccc3c(c2)OCc2ccccc2C3=O)O1
b) CNC(=O)ON=C1COC(C)S1
c) C=CC(=O)NCOCCCC
d) O=C1CCC(N2C(=O)c3ccccc3C2=O)C(=O)N1
Answer: d
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}