Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a.) C#CCN1C(=O)CN=C(c2ccccc2)c2cc(Cl)ccc21
b.) O=C(CI)NC(=O)CI
c.) CC(=O)OCC1CC2OC2CC1C
d.) CCCCCCCCCCCCCCCCCC(=O)OCCCC
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}