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 other words.
Options:
a CC(=O)c1ccccc1Cl
b CNC(=O)Oc1ccccc1Cl
c CCOP(=S)(OCC)SCc1nnc(SC(C)C)s1
d COC1(C)CC(c2ccccc2)c2c(c3ccccc3oc2=O)O1
e COc1cc(C)nc(-n2nc(C)cc2OC)n1
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}