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: CNCc1cccc(-c2ccc3c(N4CCOCC4)nc(N4C[C@H](C)O[C@@H](C)C4)nc3n2)c1
b: O=C1N(CCN2CC3CCC2C3)CCN1c1cccc(Cl)c1
c: COc1ccc(Nc2cc(NCCN)nnc2C(N)=O)nc1C(C)C
d: O=C(NC1CCN(Cc2ccn(-c3ccc(C(F)(F)F)cc3)c2)CC1)N1CCn2cccc2[C@H]1c1ccccc1
e: COCc1nc2cc3c(cc2o1)CCN(CCCSc1nnc(-c2cccc4nc(C)ccc24)n1C)CC3
Answer: d
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-phenyl-N-[1-[[1-[4-(trifluoromethyl)phenyl]pyrrol-3-yl]methyl]piperidin-4-yl]-3,4-dihydro-1H-pyrrolo[1,2-a]pyrazine-2-carboxamide