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: CN1CCC[C@@H]1CCO[C@](C)(c1ccccc1)c1ccc(Cl)cc1
b: CNC(=O)c1cc2cc(C3(Cc4ccccc4)CCNC3)ccc2[nH]1
c: C[C@H]1Cc2c(ncnc2Oc2ccc3c(ccn3C(=O)Nc3cc(C4(C(F)(F)F)CC4)on3)c2)CN1
d: CNCc1ccc(-c2[nH]c3cc(F)cc4c3c2CCNC4=O)cc1
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}
(2R)-2-[2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine