Using CN, CS(=O)(=O)c1ccc(C(CC2CCOCC2)C(=O)Nc2ncc(C(=O)O)s2)cc1 to produce CNC(=O)c1cnc(NC(=O)C(CC2CCOCC2)c2ccc(S(C)(=O)=O)cc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.