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 or b without using any other words.
Options:
a) CC(C)(C)n1cc2c(n1)C(=O)CC1(CCN(C(=O)c3ccc4[nH]ncc4c3)CC1)O2
b) FC(F)(F)Oc1ccc(Cl)c(CNC2CCC3CCC2(c2ccccc2)N3)c1
Answer: a
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}
2-tert-butyl-1'-(1H-indazole-5-carbonyl)spiro[6H-pyrano[3,2-c]pyrazole-5,4'-piperidine]-7-one