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, c, or d without using any additional words.
Options:
a: Clc1cccc(Cl)c1Cl
b: CN(C)c1ccc(N(C)C)cc1
c: Nc1ccc(F)cc1
d: O=c1[nH]c(=O)n(C2CC(O)C(CO)O2)cc1COO
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}