Using COc1cc(CN2CCCNCC2)c2ccn(S(=O)(=O)c3ccccc3)c2c1 to produce O=S(=O)(c1ccccc1)n1ccc2c(CN3CCCNCC3)cc(O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.