Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) NC(=O)C1(N2CCCCC2)CCN(CCCC(=O)c2ccc(F)cc2)CC1
b) CN(CCn1cnc2c1c(=O)n(C)c(=O)n2C)c1ccccc1
c) O=P(OCC(Br)CBr)(OCC(Br)CBr)OCC(Br)CBr
d) CCOP(=S)(CC)SCN1C(=O)c2ccccc2C1=O
e) O=[N+]([O-])CCCO
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}