Using COc1cc(N)ccc1CN1C(=O)C(C)(c2ccccc2Cl)c2cc(Cl)ccc21, BrCCCCBr to produce COc1cc(N2CCCC2)ccc1CN1C(=O)C(C)(c2ccccc2Cl)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.