Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) COP(=S)(OC)SC(CBr)N1C(=O)c2ccccc2C1=O
b) CC(C)C(Br)C(=O)OCC(Cl)(Cl)Cl
c) O=C1C(Cl)C(CCl)CN1c1cccc(C(F)(F)F)c1
d) ClCC(Cl)=C(Cl)Cl
e) CCOP(=S)(OCC)SCc1nnc(CC)o1
Answer: d
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}