Using O=Cc1ccc([N+](=O)[O-])s1, CCOC(=O)c1c(N=Cc2cccs2)sc(N=Cc2cccs2)c1C(=O)OCC to produce CCOC(=O)c1c(N=Cc2cccs2)sc(N=Cc2ccc([N+](=O)[O-])s2)c1C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.