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, d, or e without using any other words.
Options:
a.) NC1=NC(C(F)(F)F)(C(F)(F)F)NC1(C(F)(F)F)C(F)(F)F
b.) CC(C)C(O)(c1ccc(OC(F)(F)F)cc1)c1cncnc1
c.) O=S(=O)(c1ccc(O)cc1)c1ccc(O)cc1
d.) C=CCc1ccc2c(c1)OCO2
e.) O=c1c(F)cn(C2CCCO2)c(=O)n1C1CCCO1
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}