Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] c1ccc(P(C2CCCCC2)C2CCCCC2)cc1
[b] CC(O)CCC(C)O
[c] CCCCC(CC)CO[Si](OCC(CC)CC)(OCC(CC)CC)OCC(CC)CCCC
[d] CC(CCl)OC(C)CCl
[e] CCC(=O)OC1C(C)OC(OC2C(C)OC(OC3C(CC=O)CC(C)C(O)C=CC=CCC(C)OC(=O)CC(OC(C)=O)C3OC)C(O)C2N(C)C)CC1(C)O
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}