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 or b without using any other words.
Options:
(a) COc1ccc(NC(=O)N2CCNC[C@@H]2COc2cccnc2)cc1
(b) O=c1c2ccncc2c(Cc2ccc(Cl)cc2)nn1C[C@H]1CCCN1CCCCc1ccc(OCCCN2CCCCCC2)cc1
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}
(2R)-N-(4-methoxyphenyl)-2-(pyridin-3-yloxymethyl)piperazine-1-carboxamide