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) Cc1cccc(N=O)c1
(b) CC1=C2C(=CC(C)(CO)C2O)C(=O)C(C)(O)C12CC2
(c) O=[N+]([O-])c1cccc(C(F)(F)F)c1
(d) CC1=CC(=O)C=CC1=O
Answer: 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}