Using [N-]=[N+]=[N-], O=C1COc2c(C(=O)CCl)ccc(OCc3ccccc3)c2N1 to produce [N-]=[N+]=NCC(=O)c1ccc(OCc2ccccc2)c2c1OCC(=O)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.