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.) COC(=O)NC(=S)Nc1ccccc1NC(=S)NC(=O)OC
b.) CCc1cccc(C)c1N
c.) O=C(O)c1ccc(C(=O)O)c2c(C(=O)O)ccc(C(=O)O)c12
d.) CCCC(=O)C(CC)Cc1ccccc1
e.) CC(C)OP(=O)(OC(C)C)SCc1ccccc1
Answer: a
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}