Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Clc1ccc(C(c2ccc(Cl)cc2)n2cc[n+](C[C@H](OCc3ccc(Cl)cc3Cl)c3ccc(Cl)cc3Cl)c2)cc1
b: C[NH+](C)CCO[C@](C)(c1ccccc1)c1ccccn1
c: Fc1cccc2c([C@@H]3C[NH2+]CC[C@@H]3F)c(-c3ccccc3)[nH]c12
d: CC(C)(C)[C@@H](N)C(=O)N1CC(c2cc(F)ccc2F)=C[C@H]1c1ccccc1
Answer: a, 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}
1-[bis(4-chlorophenyl)methyl]-3-[(2R)-2-(2,4-dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]imidazol-3-ium