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. O=c1ccc2ncc(F)c3c2n1CC3(O)CC12CCC(NCc3cc4c(cn3)S(=O)(=O)CCO4)(CC1)CO2
b. O=C1CN(CCc2ccc(F)cc2)CCN1C1CCc2cc(CN3CCOCC3)ccc2C1
Answer: a, b
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}
4-[2-(4-fluorophenyl)ethyl]-1-[6-(morpholin-4-ylmethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]piperazin-2-one