Using Cc1cccc(S(=O)(=O)N2CCOc3ccc(N)nc32)c1, O=C(Cl)c1c(Cl)cccc1Cl to produce Cc1cccc(S(=O)(=O)N2CCOc3ccc(NC(=O)c4c(Cl)cccc4Cl)nc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.