Using Cc1nc(C)c2nc(/C=C/c3nc(N4CCCC4)nn3C)nn2c1C to produce Cc1nc(C)c2nc(CCc3nc(N4CCCC4)nn3C)nn2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.