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. CONC(=O)N(Cc1ccsc1)C1CCN([C@H](C)CCNC(=O)c2c(C)cc(Cl)nc2Cl)CC1
b. CS(=O)(=O)NCCN1CC2CN(CCOc3ccc(C#N)cc3)CC(C1)O2
Answer: 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}
N-[2-[7-[2-(4-cyanophenoxy)ethyl]-9-oxa-3,7-diazabicyclo[3.3.1]nonan-3-yl]ethyl]methanesulfonamide