Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CN(CCC(=O)O)C1CCC2(Cc3ccccc3Cc3ccccc32)C1
b: CC1(c2cnc3n2C[C@H](c2cccc(F)c2F)CC[C@H]3NC(=O)N2CCC3(CC2)OC(=O)Nc2ncccc23)CCCO1
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}
3-[methyl(spiro[cyclopentane-3,9'-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaene]-1-yl)amino]propanoic acid