Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a) Nc1ccc(Nc2ccccc2)cc1
b) C=CSC=C
c) CC(=O)OC1c2c(ccc3ccc(=O)oc23)OC(C)(C)C1OC(=O)C=C(C)C
d) COC(=O)N(C)C(=O)CSP(C)(=S)OC
Answer: d
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}