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) c1ccc2c(c1)Sc1ccccc1N2CC1CN2CCC1CC2
(b) CCCOP(=O)(OCCC)Oc1ccc(SC)cc1
(c) CSc1ccc(OP(C)(C)=S)cc1C
(d) CC(C)c1ccc(NC(=O)N(C)C)cc1
(e) O=CC=Cc1ccccc1
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}