Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a NS(=O)(=O)OCC(Cl)(Cl)Cl
b COc1ccc2oc(N)nc2c1
c C=COCCOCCOC=C
d CC(Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1)C(=O)O
e C=CCSP(=O)(NC(=O)CC)OC
Answer: b
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}