Using COC(=O)C1(N(Cc2ccccc2)S(=O)(=O)c2ccc(OC)cc2)CCSCC1 to produce COc1ccc(S(=O)(=O)N(Cc2ccccc2)C2(C(=O)O)CCSCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.