Using BrC1CCCC1, COc1ccc(CNc2nc(Cl)nc3[nH]cnc23)cc1OC to produce COc1ccc(CNc2nc(Cl)nc3c2ncn3C2CCCC2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.