Task: Please answer the multiple choice question.
Question: Which molecules are 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 additional words.
Options:
a: NC(=O)C1CCCCc2c1[nH]c1ccc(Cl)cc21
b: CC(C)CCC1(C(=O)c2ccc(N)c(Cl)c2)CCCN1
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-chloro-5,6,7,8,9,10-hexahydrocyclohepta[b]indole-6-carboxamide