Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C1N(C2CCCCC2)C[C@@H](c2ccccc2)N1C1CCN(Cc2ccc(Br)cc2)CC1
b Cc1nc2c(OC(F)F)cccc2n1-c1ccc(C(=O)NC2CC2)s1
c CCc1nn(CCOCC(F)(F)F)c2c(Nc3ccncn3)nc(N3CCNC(C)C3)nc12
Answer: 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}
N-cyclopropyl-5-[4-(difluoromethoxy)-2-methylbenzimidazol-1-yl]thiophene-2-carboxamide