Using O=C1CCc2ccc(NS(=O)(=O)c3ccc4ccccc4c3)cc21, N=C(N)NN to produce N=C(N)NN=C1CCc2ccc(NS(=O)(=O)c3ccc4ccccc4c3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.