Using [N-]=[N+]=[N-], Cc1c(-c2ccccc2)oc2c(OCCCl)cccc2c1=O to produce Cc1c(-c2ccccc2)oc2c(OCCN=[N+]=[N-])cccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.