Using O=C(Nc1ccc2oc3c(c2c1)CCCC3)c1ccc([N+](=O)[O-])cc1 to produce Nc1ccc(C(=O)Nc2ccc3oc4c(c3c2)CCCC4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.