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 other words.
Options:
a. Cc1ccc2nc3sc(=O)sc3nc2c1
b. OC(c1ccccc1)c1ccccc1
c. CCOC1c2ccccc2C(=O)N(C)c2ccccc21
d. CCC1(c2ccccc2)C(=O)NCNC1=O
e. O=C(O)Cc1ccc(C2CCCCC2)c(Cl)c1
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}