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, b, c, or d without using any other words.
Options:
a: CCc1nc2ccccc2c(=O)n1-c1ccc(OCCCN2CCCC2)cc1
b: COc1ccc([C@H](C)N[C@@H]2CC[C@@H](C(=O)N3CCC(C(=O)N4CCCC4)(c4ccccc4)CC3)C(C)(C)C2)cc1
c: COc1cnc2ccc(=O)n(CCN3CCC(c4nc5cc(C(F)(F)F)ccc5[nH]4)CC3)c2c1
d: CN(CCN1CCN(c2ccccc2)C1=O)CC12CCC(CC1)C2(C)C
Answer: a, b, c, d
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-ethyl-3-[4-(3-pyrrolidin-1-ylpropoxy)phenyl]quinazolin-4-one