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, or d without using any other words.
Options:
a Nc1cc(C(F)(F)F)c(-c2cc(N3CCOCC3)nc(N3CCOCC3)n2)cn1
b Cn1c(OCCCN2CC3C[C@]3(c3ccc(C(F)(F)F)cc3)C2)nnc1-c1ccccc1
c O[C@H](CNC[C@@H](O)[C@H]1CCc2cc(F)ccc2O1)[C@H]1CCc2cc(F)ccc2O1
d COc1ccc2ncc(F)c(CCC34CCC(NCc5nc6c(cc5F)OCC(=O)N6)(CC3)CO4)c2n1
Answer: b, c, 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-[(2R)-6-fluoro-3,4-dihydro-2H-chromen-2-yl]-2-[[(2R)-2-[(2R)-6-fluoro-3,4-dihydro-2H-chromen-2-yl]-2-hydroxyethyl]amino]ethanol