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. O=[N+]([O-])c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
b. O=S(=O)(O)c1ccc(O)c2ncccc12
c. NC(Cc1ccccc1)C(=O)O
d. c1ccc2c(c1)Oc1ccccc1O2
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}