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 other words.
Options:
(a) CCC(=O)OC1CC(=O)OC(C)CC=CC=CC(O)C(C)CC(CC=O)C(OC2OC(C)C(OC3CC(C)(O)C(OC(=O)CC)C(C)O3)C(N(C)C)C2O)C1OC
(b) CCOP(=O)(OCC)SCCSCC
(c) CCCCCC1CCC(=O)O1
(d) CCOP(=S)(OCC)N1C(=O)c2ccccc2C1=O
(e) CC(C)=CCCC(C)=CC#N
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}