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, c, or d without using any other words.
Options:
a) C[C@H]([C@H](O)c1ccc2c(c1)CCC(=O)N2)N1CCC(O)(c2ccc(F)cc2)CC1
b) COc1ccccc1S(=O)(=O)NC(=O)N1CCC(N2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)CC1
c) O=[N+]([O-])c1ccc(CCN(CCF)CCOc2ccc([N+](=O)[O-])cc2)cc1
d) CCS(=O)(=O)Nc1ccc2[nH]c(O)c(C(=Nc3ccc(CN4CCCCC4)cc3)c3ccccc3)c2c1
Answer: a, c
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-fluoroethyl)-N-[2-(4-nitrophenoxy)ethyl]-2-(4-nitrophenyl)ethanamine