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, or d without using any other words.
Options:
a) OCC(O)CN1CCN(c2ccccc2)CC1
b) CCCCCCCCP(=O)(CCCCCCCC)CCC(C)C
c) CN(C)P(=O)(OP(=O)(N(C)C)N(C)C)N(C)C
d) CS(=O)(=O)c1ccc2[nH]c(C(F)(F)F)nc2c1
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}