Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a) Cc1cc(O)c(C)c(C)c1O
b) CCCN(CCC)c1c([N+](=O)[O-])cc(C)cc1[N+](=O)[O-]
c) Cc1ccc(C)c(N)c1
d) CC(C)c1ccc(NC(=O)N(C)C)cc1
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}