Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C[C@@H](N)c1ccc(C(=O)Nc2ccnc3[nH]ccc23)cc1
b: Nc1ccnc(Nc2ccc(Oc3ccc(C4CC4)cc3)cc2)n1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
2-N-[4-(4-cyclopropylphenoxy)phenyl]pyrimidine-2,4-diamine