Using O=C1c2ccccc2C(=O)N1CCCOc1cccc([N+](=O)[O-])c1 to produce Nc1cccc(OCCCN2C(=O)c3ccccc3C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.