Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a Fc1cc(F)c2ncccc2c1
b O=C1c2ccccc2-c2ccc3c4c(ccc1c24)-c1ccccc1C3=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}