Using Cc1cc(Br)c2c(c1)[C@H]1CN(Cc3ccccc3)CC[C@H]1C2=O to produce Cc1ccc2c(c1)[C@H]1CNCC[C@H]1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.