Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1cc2c(Nc3ccc(Br)cc3F)ncnc2cc1OCC1CCN(C(=O)CN(C)C)CC1
b: CC(=O)OCOC(=O)CN(CC(=O)O)c1ccccc1OCCOc1ccccc1N(CC(=O)O)CC(=O)O
c: CC(C)(O)[C@H]1C=CC([C@@H](c2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)=CN1
d: COc1cc(N)c(Cl)cc1C(=O)NC1CCN(Cc2ccccc2)CC1
Answer: a, b, c, d
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-[(2R)-5-[(S)-[3,4-bis(difluoromethoxy)phenyl]-(1-oxidopyridin-1-ium-4-yl)methyl]-1,2-dihydropyridin-2-yl]propan-2-ol