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, d, or e without using any additional words.
Options:
a.) O=C1CCCCCO1
b.) Cc1ccc(S(=O)(=O)N=C=O)cc1
c.) COc1ccccc1
d.) O=C(O)c1cc(Cl)cc([N+](=O)[O-])c1Cl
e.) CN=CNc1ccc(Cl)cc1C
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}