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 or b without using any additional words.
Options:
a.) O=C(NC1CCCCC1)C(C1CCCCC1)n1c(-c2ccc(Cl)cc2)nc2cc(F)c(Cl)cc21
b.) Cc1cc2cc(N=C(NC#N)N[C@H]3CCCCN(CC(=O)N4CCCC4)C3=O)ccc2o1
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}
2-[6-chloro-2-(4-chlorophenyl)-5-fluorobenzimidazol-1-yl]-N,2-dicyclohexylacetamide