Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=[N+]([O-])c1ccc2c(c1)-c1cc3ccccc3c3cccc-2c13
(b) CC(=O)CC(=O)Nc1ccccc1C
(c) Sc1[nH]cnc2ncnc1-2
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}