Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) C=CC(=O)Nc1cc(Nc2ncc(C#N)c(-c3cn(C)c4ccccc34)n2)c(OC)cc1N(C)CCN(C)C
(b) C[n+]1c(CCCOc2ccccc2Cl)cccc1CCCOc1ccccc1Cl
(c) Cc1cccc(NC(=O)c2ccc(-c3ccc(OC(F)(F)F)cc3)o2)c1
(d) CCCCCCCCCCCCCC(=O)N[C@H](CO)[C@H](O)c1ccc([N+](=O)[O-])cc1
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}
2,6-bis[3-(2-chlorophenoxy)propyl]-1-methylpyridin-1-ium