Using CCOC(=O)[C@@H]1CCCN(CCBr)C1, ON=C(Cc1ccccc1)Cc1ccccc1 to produce CCOC(=O)[C@@H]1CCCN(CCON=C(Cc2ccccc2)Cc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.