Using O=C(O)c1ccc([N+](=O)[O-])cc1, N=C(N)c1ccc2c(CC(N)=O)c(O)ccc2c1 to produce N=C(N)c1ccc2c(CC(N)=O)c(OC(=O)c3ccc([N+](=O)[O-])cc3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.