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 additional words.
Options:
a. FC(F)(F)c1ccccc1
b. O=CN(O)c1ccc(Cl)c(Cl)c1
c. CCCCC/C=C/C(=O)CCc1ccc(O)c(OC)c1
d. Cc1cc(C)c([N+](=O)[O-])cc1[N+](=O)[O-]
Answer: c, d
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}