Using O=[N+]([O-])c1ccc2[nH]c(CN3CCN(CCO)CC3)nc2c1 to produce Nc1ccc2[nH]c(CN3CCN(CCO)CC3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.