Using Fc1ccc(OCC2CCC3CN(c4ccc(Cl)nn4)CCN3C2)cc1 to produce Fc1ccc(OCC2CCC3CN(c4cccnn4)CCN3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.