Using O=C1CCC2(CC1)OCCO2, O=[N+]([O-])c1ccc2[nH]ccc2c1 to produce O=[N+]([O-])c1ccc2[nH]cc(C3=CCC4(CC3)OCCO4)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.