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) C[C@@H](O)c1cn(-c2ccc(F)cc2)c2ccc(Cl)cc12
b) CC(C)(O)[C@H]1C=CC([C@H](c2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)=CN1
c) O=C(O)CNC(=O)[C@@H]1NC(C(F)(F)F)(C(F)(F)F)OC1(C(F)(F)F)C(F)(F)F
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}
(1R)-1-[5-chloranyl-1-(4-fluorophenyl)indol-3-yl]ethanol