Using C1COCCO1, Cn1c([N+](=O)[O-])cnc1-c1nnc2ccc(Cl)nn12 to produce COc1ccc2nnc(-c3ncc([N+](=O)[O-])n3C)n2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.