Using Cc1ccc(S(=O)(=O)Cl)cc1, CCOC(=O)c1n[nH]c2c(c1=O)CCCC2 to produce CCOC(=O)c1nnc2c(c1Cl)CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.