Task: Please answer the multiple choice question.
Question: Which molecules are not 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: CCN(C)C(=O)c1ccc([C@H](c2cccc(NC(=O)OC)c2)N2CCN(Cc3cscn3)CC2)cc1
b: CN1CCC[C@@H](c2nc3ccccc3n2CCOc2ccccc2)C1
c: O=C(Nc1ccc(C(F)(F)F)c(Cl)c1)N1CCN(C[C@@H]2CCCN(C3CC3)C2)CC1
d: Cc1c2c(n3c1CCCN1CCCC[C@@H]1[C@H](C)Nc1cc-3ccc1C(N)=O)CC(C)(C)CC2=O
Answer: a
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}
methylN-[3-[(R)-[4-[ethyl(methyl)carbamoyl]phenyl]-[4-(1,3-thiazol-4-ylmethyl)piperazin-1-yl]methyl]phenyl]carbamate