Using O=C(Nc1ccc(C(=O)N2CCCc3ccccc32)cc1)c1cccc([N+](=O)[O-])c1 to produce Nc1cccc(C(=O)Nc2ccc(C(=O)N3CCCc4ccccc43)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.