Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a COc1ccc(NS(=O)(=O)c2ccc(N)cc2)nn1
b CC(C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1
c CCOC(=O)c1ncn2c1CN(C)C(=O)c1cc(F)ccc1-2
d CCSc1nnc(C(C)(C)C)c(=O)n1N
e CCC1(CC)C(=O)NCC(C)C1=O
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}