Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) C=CCOC(=O)Cc1ccccc1
b.) OCCOCCOc1ccccc1
c.) CNC(=O)Oc1ccccc1C(OC)OC
d.) CCOP(=O)(OCC)SCn1nc(Cl)ccc1=O
e.) CCCCNS(=O)(=O)c1ccccc1
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}