Using NCCc1ccc(Cl)cc1, O=C1c2ccccc2C(=O)N1CCCBr to produce O=C1c2ccccc2C(=O)N1CCCNCCc1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.