Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Nc1nc(N)nc(CCCCc2nc(N)nc(N)n2)n1
[b] CCc1cc(C(N)=S)ccn1
[c] N[C@@H](CC(=O)N1CCn2c(nnc2C(F)(F)F)C1)Cc1cc(F)c(F)cc1F
[d] CC(C)(C)Oc1cc([C@H](C2=CN[C@H](C(C)(C)O)S2)c2cc[n+]([O-])cc2)ccc1OC(F)F
Answer: a, 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}
6-[4-(4,6-diamino-1,3,5-triazin-2-yl)butyl]-1,3,5-triazine-2,4-diamine