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) Cc1ccc2ccccc2c1
b) CCOP(=O)(OCC)SCn1ncccc1=O
c) CCN(CC)CCNC(=O)c1cc(Cl)c(N)cc1OCc1ccccc1
d) CCOP(=S)(OCC)SCc1nnc(SCC)s1
e) CCOP(=S)(OCC)SCn1c(=O)oc2ccccc21
Answer: c
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}