Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Nc1cc(CNC(=O)c2ccc(Oc3ccc(OCc4cccc(F)c4)cc3)nc2)ccn1
b) CCc1cccc(Nc2cc(N[C@@H]3CCCC[C@@H]3N)nnc2C(N)=O)n1
Answer: a
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}
N-[(2-aminopyridin-4-yl)methyl]-6-[4-[(3-fluorophenyl)methoxy]phenoxy]pyridine-3-carboxamide