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, or d without using any other words.
Options:
a.) CCCP(=O)(O)OCC
b.) C=C(O)CC(c1ccccc1)c1c(O)c2ccccc2oc1=O
c.) OCC1OC(OC2C(CO)OC(O)C(O)C2O)C(O)C(O)C1O
d.) CC(Cc1ccc(O)c(O)c1)C(C)Cc1ccc(O)c(O)c1
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}