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, or d without using any other words.
Options:
a) CC(C)OP(=S)(OC(C)C)SCCNS(=O)(=O)c1ccccc1
b) CN(C)N=Nc1ccccc1
c) C=CCOc1ccc(CC(=O)O)cc1Cl
d) C=CC(=O)OCCOC(=O)c1ccc(C(=O)O)cc1C(=O)O
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}