Using CCOC(=O)CBr, NS(=O)(=O)c1cc2c(cc1Cl)NCNS2(=O)=O to produce NS(=O)(=O)c1cc2c(cc1Cl)NCN(CCO)S2(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.