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) NC(=O)c1cn(Cc2c(F)cccc2F)nn1
(b) CCC(NCCCC[C@@H](Oc1cc(C)c(F)c(C)c1)C(=O)NO)c1ccc(F)cc1
(c) CC(=O)Nc1ccc2c(c1)CCC2N1CCC(NC(=O)c2cc(=O)c3ccc(F)cc3o2)CC1
(d) CC[C@@H](C)[C@H](C(=O)O)N1C[C@H](CN2CCC(c3cc(Cc4ccc(OC5CCC5)cc4)nn3CC)CC2)[C@@H](c2cccc(F)c2)C1
Answer: b, 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}
(2R)-2-(4-fluoro-3,5-dimethylphenoxy)-6-[1-(4-fluorophenyl)propylamino]-N-hydroxyhexanamide