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, d, or e without using any additional words.
Options:
a) CC(Cc1ccccc1)NCCC(c1ccccc1)c1ccccc1
b) OCCNCCOc1ccc(C(=C(c2ccccc2)C(F)(F)F)c2ccccc2)cc1
c) O=c1oc2ccccc2c(O)c1Cc1c(O)c2ccccc2oc1=O
d) CCCCCCCCCCCCCCCCCC1=NCCN1CCO
e) CC1(C)Cc2cccc(OC(=O)NCSc3ccc(C(C)(C)C)cc3)c2O1
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}