Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(O)c1cccc([N+](=O)[O-])c1
[b] Fc1cc(F)c2cccnc2c1
[c] O=Cc1cn(C2CC(O)C(CO)O2)c(=O)[nH]c1=O
[d] COC(=O)c1ccc(C(=O)OC)cc1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {mutagenic#not &NULL}{mutagenic__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%mutagenic%}
Answer: {%multiple_choice_result}