Using ClCCNCCCl, Nc1cccc2c1ccn2S(=O)(=O)c1cccc2ccccc12 to produce O=S(=O)(c1cccc2ccccc12)n1ccc2c(N3CCNCC3)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.