Using NCCCN1CCN(CCCN)CC1, O=Cc1ccc2c(c1)Cc1ccccc1-2 to produce c1ccc2c(c1)Cc1cc(CNCCCN3CCN(CCCNCc4ccc5c(c4)Cc4ccccc4-5)CC3)ccc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.