Using CC(=O)Cl, COc1cc2c(ccn2S(=O)(=O)c2ccccc2)cc1OCCN to produce COc1cc2c(ccn2S(=O)(=O)c2ccccc2)cc1OCCNC(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.