Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) COc1ccc(C=O)cc1
(b) Nc1ccc(O)c(C(=O)O)c1
(c) COc1ccc2c(c1)N(CC(C)CN(C)C)c1ccccc1S2
(d) O=C(O)c1ccccc1OP(=O)(O)O
(e) OCCCc1ccccc1
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}