Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a) C=CC(=O)OC
b) CCCc1nc(C)cc(OP(=S)(OCC)OCC)n1
c) CC(C)(C)c1ccc(OCC(O)COc2ccc(C(=O)O)cc2)cc1
d) NCCNCCNCCNCCN
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}