Using O=C(Nc1ccc(Oc2ccccc2)cc1)N1CCN(c2ncnc3cc([N+](=O)[O-])ccc23)CC1 to produce Nc1ccc2c(N3CCN(C(=O)Nc4ccc(Oc5ccccc5)cc4)CC3)ncnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.