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 additional words.
Options:
(a) O=C(c1ccc(Cl)cc1)N1CCN(c2ccc(OC3CCN(C4CCC4)CC3)cc2)C(=O)C1
(b) CNC(C)C1CCN(c2c(F)cc3c(=O)c(C(=O)O)cn(C4CC4)c3c2OC)C1
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-(4-chlorobenzoyl)-1-[4-(1-cyclobutylpiperidin-4-yl)oxyphenyl]piperazin-2-one