Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a.) CC(C)NCC(O)COc1cccc2[nH]ccc12
b.) COc1ccc2c(=O)c3ccccc3oc2c1CN1CCCCC1
c.) CCc1cc(C(N)=S)ccn1
d.) COc1cc(-c2ccc(N)c(OC)c2)ccc1N
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}