Using CCOC(=O)c1oc2cccc(NS(=O)(=O)CCCCl)c2c1C to produce CCOC(=O)c1oc2cccc(N3CCCS3(=O)=O)c2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.