Using O=[N+]([O-])c1cnc2ccccc2c1NCC1(O)CCC2(CC1)OCCO2 to produce Nc1cnc2ccccc2c1NCC1(O)CCC2(CC1)OCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.