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: Cc1ccc2c(C)c3ccc4c(c3nc2c1)C=CC(O)C4O
b: CCCCNC(=O)NS(=O)(=O)c1ccc(C)cc1
c: O=S(=O)(Nc1ccccc1Cl)c1cccc2cccnc12
d: CCCCOC(=O)c1cccc2cccnc12
Answer: a
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}