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-])c1ccccc1CCO
(b) CC(N)C(O)c1ccccc1
(c) Cc1cc2ccccc2cc1[N+](=O)[O-]
(d) N[C@H](Cc1ccc(N(CCCl)CCCl)cc1)C(=O)O
Answer: a, 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}