Using O=C(O)c1ccc2nn(C3CCC3)cc2c1, [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1 to produce Nc1ccc2nn(C3CCC3)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.