Using CC1=Nc2ccccc2N(Cc2ccccc2)C(=O)C1, COc1ccc(CBr)cc1 to produce COc1ccc(CC2C(=O)N(Cc3ccccc3)c3ccccc3N=C2C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.