Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CC1(C)CC(NC2CC(C)(C)NC(C)(C)C2)CC(C)(C)N1
(b) Cn1c(=O)c2[nH]cnc2n(C)c1=O
(c) C1=CC2CCC1C2
(d) Cc1ccccc1-n1c(C)nc2ccccc2c1=O
(e) CCCCCC(O)C=CC1C(O)CC(O)C1CC=CCCCC(=O)O
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}