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 other words.
Options:
a: c1ccc(C2Sc3ccccc3OC2c2ccc(OCCCN3CCCC3)cc2)cc1
b: CCN(CC)CCCc1cc(CCCOC)cc(CN(C(=O)[C@H]2CNCC[C@@]23OCc2cc(F)c(F)cc23)C2CC2)c1Cl
c: Cc1nc2ccc(Oc3ccc(Cl)cc3F)nc2c(=O)n1C[C@H]1CCCN(C(C)C)C1
d: CC#Cc1cncc(-c2cccc(C3(c4cc(C)c(=O)n(CC)c4)N=C(N)c4c(F)cc(F)cc43)c2)c1
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}
(3R,3'S)-N-[[2-chloro-3-[3-(diethylamino)propyl]-5-(3-methoxypropyl)phenyl]methyl]-N-cyclopropyl-5,6-difluorospiro[1H-2-benzofuran-3,4'-piperidine]-3'-carboxamide