Using O=S(=O)(Cl)c1ccc2cc(Cl)ccc2c1, CCOC(=O)CNCC(OCC)OCC to produce CCOC(=O)CN(CC(OCC)OCC)S(=O)(=O)c1ccc2cc(Cl)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.