Using Clc1nc(NC2CCCCC2)c2[nH]cnc2n1, BrC1CCCC1 to produce Clc1nc(NC2CCCCC2)c2ncn(C3CCCC3)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.