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) Cn1cnc2c1c(=O)[nH]c(=O)n2C
(b) CC1(C)CC(NC2CC(C)(C)NC(C)(C)C2)CC(C)(C)N1
(c) COC(=O)C1C2CC3c4[nH]c5cc(OC)ccc5c4CCN3CC2CC(OC(=O)c2cc(OC)c(OC)c(OC)c2)C1OC
(d) Cc1cc(=NC(=O)c2ccccc2O)n(C)n1C
(e) Nc1ncnc2c1ccn2C1OC(CO)C(O)C1O
Answer: e
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}