Using O=[N+]([O-])c1cn(CCC2CO2)c(Cl)n1, CN(c1ccc(Cl)cc1)C1CCN(c2ccc(O)cc2)CC1 to produce CN(c1ccc(Cl)cc1)C1CCN(c2ccc(OCC(O)CCn3cc([N+](=O)[O-])nc3Cl)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.