Using OC(c1ccccc1)c1ccccn1, O=[N+]([O-])c1ccccc1OCCCN1CCC(O)CC1 to produce O=[N+]([O-])c1ccccc1OCCCN1CCC(OC(c2ccccc2)c2ccccn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.