Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(c1cc(F)cc(F)c1)N1CCN(c2ccc(OC3CCN(C4CCC4)CC3)cc2)C(=O)C1
b: Cc1nc2ccccc2n1C1CC2CCC(C1)N2CCC1(c2ccccc2)CCN(C(=O)C(C)(C)C(=O)NS(C)(=O)=O)CC1
c: O=C(NC(c1ccc(Cl)cc1)c1ccnc(F)c1)[C@@H]1CC[C@@H](N2CCOCC2)C[C@H]1c1ccc(Br)cc1
d: Nc1cc(CN2CCC(N(C(=O)NCc3ccc(F)cc3)c3ccc(Cl)cc3)CC2)ccn1
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}
1-[4-(1-cyclobutylpiperidin-4-yl)oxyphenyl]-4-(3,5-difluorobenzoyl)piperazin-2-one