Using [N-]=[N+]=Nc1ccc(-c2c[nH]c(COc3ccccc3)n2)cc1 to produce Nc1ccc(-c2c[nH]c(COc3ccccc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.