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, or d without using any other words.
Options:
a: Cc1ccc(Cc2ccc(C)cc2)cc1
b: CCOC(=O)C1CC2C=CC1C2
c: COC(C1=NCCCN1)c1ccc2ccccc2c1
d: CCOc1ccc2c3c1OC1C(O)C=CC4C(C2)N(C)CCC341
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}