Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) CCOC(C)=Cc1oc2ccccc2[n+]1CCCS(=O)(=O)[O-]
b.) O=C(O)CCl
c.) COC(=O)C[N+](=O)[O-]
d.) COc1nn(CSP(=S)(OC)OC)c(=O)s1
e.) CCOP(=S)(OCC)SC1CCC2C=CCC1S2
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}