Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COc1ccc(-c2nc3cc(F)c(F)cc3n2C(C(=O)NC2CCC(C(=O)O)CC2)C2CCCCC2)c(OC)n1
b [O-][S@+](c1ccccc1)c1ccc(C=Cc2ccc(F)cc2)nc1
c COc1c(OC(C)(C)C)cc(CN2CC(=O)N(CCCCCC(c3ccc(F)cc3)c3ccc(F)cc3)CC2=O)cc1OC(C)(C)C
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}
(R)-[6-[2-(4-fluorophenyl)ethenyl]pyridin-3-yl]-phenyl-oxidanidyl-sulfanium