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, or c without using any additional words.
Options:
a.) Cc1ccc(C2=CCN(CCC(=O)c3ccc4c(c3)CCC(=O)N4)CC2)cc1
b.) CCCCCCC(CC=CCCCCCCCC(=O)OCCOC)OC(C)=O
c.) Cc1ncc([N+](=O)[O-])n1CC(O)CCl
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}