Using COc1ccc2c(c1OC)Cc1cccc3c1C2CN(S(=O)(=O)c1ccc(C)cc1)C3 to produce COc1ccc2c(c1OC)Cc1cccc3c1C2CNC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.