Using O=C=Nc1cccc([N+](=O)[O-])c1, NCc1ccc2c(c1)CN(C1CCC(=O)NC1=O)C2=O to produce O=C1CCC(N2Cc3cc(CNC(=O)Nc4cccc([N+](=O)[O-])c4)ccc3C2=O)C(=O)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.