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 other words.
Options:
a) CC1CCC=C2N(C)C=C(C(N)=O)C(=O)N21
b) CCCCC(CC)COP(=O)(OCCCO)OCC(CC)CCCC
c) C=CCOC(=O)CCCCC
d) CCl
e) CNC(=O)ON=C(SCC(N)=O)C(C)(C)C
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}