Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
[a] CN1CC(=O)N2[C@@H](c3ccc4c(c3)OCO4)c3[nH]c4ccccc4c3C[C@@H]2C1=O
[b] CCN[C@H]1CCN(CC(=O)Nc2cc(-n3nc(C)cc3C)nc(-c3ccc(C)o3)n2)C1
[c] COc1cc(-c2cn(CC(=O)N(CC(F)(F)F)c3ccc4c(c3)OC(F)(F)O4)nn2)ccc1-n1cnc(C)c1
[d] O=c1c(O)c(-c2ccc(O)c(O)c2)oc2cc(O)ccc12
Answer: a, 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}
3,7-dihydroxy-2-(4,5-dihydroxyphenyl)chromen-4-one