Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: O=C1c2ccccc2C(=O)N1SC(Cl)(Cl)Cl
b: CCC(C)OCCO
c: COP(=S)(OC(C)C)SCN1C(=O)c2ccccc2C1=O
d: COc1ccccc1OC(=O)C(C)c1ccc(CC(C)C)cc1
e: CCC(CO)NCCNC(CC)CO
Answer: a
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}