Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) OCCOCCN1CCN([C@H](c2ccccc2)c2ccc(Cl)cc2)CC1
(b) O=C(O[C@@H]1CN2CCC1CC2)N1CCc2ccccc2[C@@H]1c1ccccc1
(c) CC(C)(C)[NH2+]CC(O)c1cc(O)cc(O)c1
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}