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, d, or e without using any additional words.
Options:
a) c1ccc(-c2ccc(C(c3ccccc3)n3ccnc3)cc2)cc1
b) C=CC(=O)OCC(CC)CC
c) CC(C)N1C(=O)N(c2ccccc2)CSC1=NC(C)(C)C
d) CC(C(=O)O)c1ccc2c(c1)CC(=O)c1ccccc1S2
e) C[Si](C)(C)Cl
Answer: b
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}