Using O=S(=O)(Cl)c1ccccc1Cl, CCOC(=O)C1CCCNC1 to produce CCOC(=O)C1CCCN(S(=O)(=O)c2ccccc2Cl)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.