Using COc1ccc2c(c1)CC(CN(C)C)C2=O, Brc1cccnc1 to produce COc1ccc2c(c1)CC(CN(C)C)C2(O)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.