Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a.) CC(C)(COCC1CO1)COCC1CO1
b.) O=C(O)Cc1cc(I)c(Oc2cc(I)c(O)c(I)c2)c(I)c1
c.) CCOc1ccccc1C(N)=O
d.) O=C(Cn1c(=O)sc2ccc(Cl)cc21)N1CCNCC1
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}