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 other words.
Options:
a: CC(=O)c1cc(NC(N)=O)ccc1OCC(O)CNC(C)(C)C
b: COP(=O)(OC)O/C(=C\Cl)c1cc(Cl)c(Cl)cc1Cl
c: Cc1cc(Cl)ccc1O[C@H](C)C(=O)O
d: CNS(=O)(=O)c1ccc(NC(C)=O)cc1
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}