Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. O=C(CSc1nnc(N2CCOCC2)n1-c1ccccc1)NCc1cccc(NC(=O)C2CC2)c1
b. Clc1ccc(-n2c(-c3ccccc3Cl)nc3c(N4CCCCC4)ncnc32)cc1
c. CC(C)[C@@H]1c2nc(-c3ccc(F)cc3)c(Nc3ccc(F)c(Cl)c3)n2CCN1C(=O)CN
d. COc1cc(-c2cn(C3CCc4ncccc4N(CC(F)(F)F)C3=O)nn2)ccc1-n1cnc(C)c1
e. Cc1ccc2c(N3CCN(CCCc4cccc5c4OCC(=O)N5C)CC3)cc(F)cc2n1
Answer: b, e
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}
8-(2-chlorophenyl)-9-(4-chlorophenyl)-6-piperidin-1-ylpurine