Using BrCc1ccccc1, COC(=O)c1cc2ccc(N)cc2s1 to produce COC(=O)c1cc2ccc(N(Cc3ccccc3)Cc3ccccc3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.