Using O=C([O-])c1cccc2ncn(CCN[C@@H]3CN4CCC3CC4)c12 to produce O=C1c2cccc3ncn(c23)CCN1[C@@H]1CN2CCC1CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.