Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
b) CC(C)=CCl
c) C[Si](C)(C)CCC(=O)O
d) CC(C)(C)C(O)C(Cc1ccc(Cl)cc1Cl)n1cncn1
e) CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)ON=C(C)SC)C(=O)N(C)C
Answer: a
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}