Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: O=P(N1CC1)(N1CC1)N1CC1
b: O=C(O)Cc1ccc2c(c1)OCc1ccccc1C2=O
c: O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)Cl
d: CC(O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
e: CCCCOC(=O)C1CCC(C(=O)OCCCC)C1
Answer: e
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}