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 other words.
Options:
a.) O=C(OCCc1ccccc1)N1CCC(CNc2ncccn2)CC1
b.) C[C@@H](CNCc1ccccc1)N1C[C@H](CCCNC(=N)N)N(CCc2cccc(F)c2)C1=S
Answer: a, 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-phenylethyl 4-[(pyrimidin-2-ylamino)methyl]piperidine-1-carboxylate