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, or d without using any other words.
Options:
a) CC1(C)C(=O)N(Cl)C(=O)N1Cl
b) COP(=O)(NC(C)=O)SC
c) CCC(=O)OC1CCC2C3CCC4=CC(=O)CCC4(C)C3CCC12C
d) CCCCc1c(C)[nH]c(NCC)nc1=O
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}