Using Cc1ccc(CCBr)cc1, CNCCC(=O)N1c2ccccc2NC(=O)c2ccccc21 to produce Cc1ccc(CCN(C)CCC(=O)N2c3ccccc3NC(=O)c3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.