Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a.) CCCSP(C)(=S)SCC(=O)OCC
b.) CCOP(=S)(OCC)SCCS(=O)(=O)CC
c.) O=[N+]([O-])c1c(Cl)c([N+](=O)[O-])c2[nH]c(C(F)(F)F)nc2c1Cl
d.) CCN1CCCC1CNC(=O)c1cc(S(N)(=O)=O)ccc1OC
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}