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 additional words.
Options:
[a] C=CCSC1=NCCS1
[b] CCOP(=S)(OCC)SCN1C(=O)c2ccccc2C1=O
[c] CCOP(=S)(OCC)SCSCC
[d] CC=CC(=O)OCC
[e] CCCCNC(=O)OCC(O)C1COc2ccccc2O1
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}