Cn1ccc(CN2Cc3ccc(Cl)cc3[C@H](C(=O)Nc3cncc4ccc(F)cc34)C2)n1
Cc1nc(CN2Cc3ccc(Cl)cc3[C@H](C(=O)Nc3cncc4ccc(F)cc34)C2)cs1
Cn1cc(CN2Cc3ccc(Cl)cc3[C@H](C(=O)Nc3cncc4ccc(F)cc34)C2)nn1
Cc1nc(CN2Cc3ccc(Cl)cc3[C@H](C(=O)Nc3cncc4ccc(F)cc34)C2)c[nH]1
CN(C)C(=O)CN1Cc2ccc(Cl)cc2[C@H](C(=O)Nc2cncc3ccc(F)cc23)C1
Reductive amination with proximate hydrogen bond accepting groups to improve solubility and potency. Additionally electron poor heterocycles should reduce the pKa of the tetrahydroisoquinoline ring basic nitrogen, reducing the hERG and possible dopamine and opioid receptor secondary pharmacology risks.