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, or c without using any additional words.
Options:
a: CSc1ncccc1C(=O)N1CC[C@@H]([NH2+]Cc2cncn2Cc2ccc(C#N)cc2)C1=O
b: CCOC(=O)[C@H](CCc1ccccc1)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)O
c: CC(C)Oc1cc([C@H](C2=CN[C@H](C(O)(C(F)(F)F)C(F)(F)F)S2)c2ccc[n+]([O-])c2)ccc1OC(F)F
Answer: a, c
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}