Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CCOCCCO
b) CN(C)P(=S)(Cl)n1ccnc1
c) CCN(CC)S(=O)(=O)CCNC(=O)N(CCCl)N=O
d) CNCCc1ccccn1
e) CC(C)N(C(=O)Cn1nc(-c2ccccc2)ccc1=O)C(C)Cc1ccccc1
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}